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The Daily Galaxy - Great Discoveries Channel -Your Daily Dose of Awe: Science, Space, Tech

The Daily Galaxy -Great Discoveries Channel, is an eclectic text and video presentation of news and original insights on science, space exploration, and the environment and their reflections in popular culture (film, books, events). Eclectic text and video blog of news and insights on science, space, technology and popular culture.



"A Strange Alien World" --NASA's Newly Released Juno Flyby Photos of Jupiter  

Enter an alien world of Mars-sized polar cyclones, colossal swirling storm systems that travel deep into the heart of the gas giant, and a gigantic magnetic field that may indicate it was generated closer to the planet's surface than previously thought. "Every 53 days, we go screaming by Jupiter, get doused by a fire hose of Jovian science, and there is always something new," said Juno principal investigator Scott Bolton from the Southwest Research Institute. "On our next flyby ...

2017-05-28 09:46:31
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Last Week's Top Space & NASA Headlines --"From Strange Signals from Alien Worlds to Day the Dinosaurs Died"  

    FRB's --"Strange Signals from Alien Worlds" (WATCH) Hyper-Growth Galaxies from Early Universe --"Formed in Unusual Regions of the Cosmos" NASA Reveals 'Stunning' Jupiter Juno-Mission Science Discoveries --"Swirling Polar Stmors the Size of Mars" NASA Tracks Strange Supermassive Black Hole Moving Away From Elliptical Galaxy's Center (VIDEO) "The Day the Dinosaurs Died" -- Chicxulub Asteroid Impact Equivalent to 10 Billion Hiroshima Bombs Hit Worst Possible Place

2017-05-28 06:19:35
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Human Milestone! Construction Begins on the Enormous 'Extremely Large Telescope' --"Will Make Discoveries We Simply Cannot Imagine" (WATCH Today's 'Galaxy' Stream)  

    Scientists are a step closer to understanding the inner-workings of the universe following the laying of the first stone, and construction starting on the world's largest optical and infrared telescope. With a main mirror 39 meters in diameter, the Extremely Large Telescope (ELT), is going to be, as its name suggests, enormous. Unlike any other before it, ELT is also designed to be an adaptive telescope and has the ability to correct atmospheric turbulence, taking telescope e

2017-05-27 10:24:23
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"What Lies Beneath is Breathtaking!" --NASA Peers Below Jupiter's Clouds and Sees a Whole New Complex, Gigantic and Turbulent World  

    The early science results from NASA's Juno mission to Jupiter portray the largest planet in our solar system as a complex, gigantic, turbulent world, with Earth-sized polar cyclones, plunging storm systems that travel deep into the heart of the gas giant, and a mammoth, lumpy magnetic field that may indicate it was generated closer to the planet's surface than previously thought. Scientists working on NASA's Juno mission say its initial observations at Jupiter's poles ...

2017-05-26 07:56:11
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Astronomers Observe Birth of a Massive 'LIGO-Sized' Black Hole in Realtime --"First Ever Witnessed" (VIDEO)  

    Astronomers have watched as a massive, dying star was likely reborn as a black hole. It took the combined power of the Large Binocular Telescope (LBT), and NASA's Hubble and Spitzer space telescopes to go looking for remnants of the vanquished star, only to find that it disappeared out of sight. It went out with a whimper instead of a bang: The star, which was 25 times as massive as our sun, should have exploded in a very bright supernova. Instead, it fizzled out -- and then

2017-05-25 21:13:04
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NASA Reveals 'Stunning' Jupiter Juno-Mission Science Discoveries --"Swirling Polar Storms the Size of Mars"  

"What we've learned so far is earth-shattering. Or should I say, Jupiter-shattering," said Bolton, Juno's principal investigator. "Discoveries about its core, composition, magnetosphere, and poles are as stunning as the photographs the mission is generating." NASA's Juno mission, led by Southwest Research Institute's Dr. Scott Bolton, is rewriting what scientists thought they knew about Jupiter specifically, and gas giants in general, according to a pair of Science papers released to

2017-05-25 11:24:16
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FRB's --"Strange Signals from Alien Worlds" (WATCH Today's 'Galaxy' Stream)  

    Fast Radio Bursts are millisecond-duration pulses of unknown origin that were discovered by pulsar astronomers in 2007. A decade on from the discovery, with only 20 further bursts currently known, fast radio bursts remain enigmatic sources which parallel the early days of gamma-ray burst astronomy in the early 1970s. Each burst lasts for a fraction of a second releasing more energy in that time than the sun will radiate in 10,000 years. Recent studies (see below) speculated t

2017-05-25 07:45:00
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Hyper-Growth Galaxies from Early Universe --"Formed in Unusual Regions of the Cosmos"  

    An international team of astronomers has discovered a new kind of galaxy which, although extremely old--formed less than a billion years after the Big Bang--creates stars more than a hundred times faster than our own Milky Way. "Very likely it is not a coincidence to find these productive galaxies close to bright quasars. Quasars are thought to form in regions of the universe where the large-scale density of matter is much higher than average. Those same conditions should a

2017-05-25 06:39:40
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Cassini Solstice Mission --NASA Observes Saturn's Summer Close Up for the First Time  

    NASA's Cassini spacecraft still has a few months to go before it completes its mission in September, but the veteran Saturn explorer reaches a new milestone today. Saturn's solstice—that is, the longest day of summer in the northern hemisphere and the shortest day of winter in the southern hemisphere—arrives today for the planet and its moons. The Saturnian solstice occurs about every 15 Earth years as the planet and its entourage slowly orbit the sun, with the north and...

2017-05-25 03:00:00
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NASA Tracks Strange Supermassive Black Hole Moving Away From Elliptical Galaxy's Center (VIDEO)  

    Supermassive black holes are generally stationary objects, sitting at the centers of most galaxies. However, using data from NASA's Chandra X-ray Observatory and other telescopes, astronomers recently hunted down what could be a supermassive black hole that may be on the move. This possible renegade black hole, which contains about 160 million times the mass of our Sun, is located in an elliptical galaxy about 3.9 billion light years from Earth. Astronomers are interested in

2017-05-24 09:41:00
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"The Day the Dinosaurs Died" -- Chicxulub Asteroid Impact Equivalent to 10 Billion Hiroshima Bombs Hit Worst Possible Place on Earth (WATCH Today's 'Galaxy'Stream)  

Scientists drilled into the Chicxulub crater buried underneath the Yucatan Peninsula recovered rocks from under the Gulf of Mexico that were hit by an asteroid 66 million years ago creating the niche that made the rise of homo sapiens possible. The 15 km-wide asteroid could not have hit a worse place on Earth. "All these fossils occur in a layer no more than 10cm thick," said palaeontologist Ken Lacovara. "They died suddenly and were buried quickly. It tells us this is a moment in geo...

2017-05-24 06:56:46
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Mystery in Galaxy Cygnus A --"Unknown Object of Extraordinary Brightness Discovered"  

"To our surprise, we found a prominent new feature near the galaxy's nucleus that did not appear in any previous published images. This new feature is bright enough that we definitely would have seen it in the earlier images if nothing had changed," said Rick Perley Rick of the National Radio Astronomy Observatory (NRAO). "That means it must have turned on sometime between 1996 and now," he added. Pointing the Very Large Array (VLA) at the famous galaxy Cygnus, one of the strongest r

2017-05-23 12:01:53
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WATCH Tuesday's 'Facebook Live' Virtual Tour of NASA's Centers --"At the Cutting Edge of Our Deep Space Destiny"  

Starting at 1:30 p.m. EDT, NASA's social media team will take visitors behind the scenes for a virtual tour of NASA and a look at the cutting-edge work here and on humanity's destiny in deep space. These Facebook Live events will be hosted on each center's Facebook page and will run about 15 minutes each. The following list of virtual tours includes times, centers and highlights of each tour. All times are EDT: 1:30 p.m. -- Glenn Research Center, in Cleveland, will host a tour of its

2017-05-23 09:08:16
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(LISTEN THURSDAY) NASA to Livestream First Science Results from Juno Mission to Jupiter  

Scientists from NASA's Juno mission to Jupiter will discuss their first in-depth science results in a media teleconference at 2 p.m. EDT Thursday, May 25, when multiple papers with early findings will be published online by the journal Science and Geophysical Research Letters. Juno launched on Aug. 5, 2011, from Cape Canaveral Air Force Station, Florida, and arrived in orbit around Jupiter on July 4, 2016. In its current exploration mission, Juno soars low over the planet's cloud ...

2017-05-23 08:42:29
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Supernova Explosions Over Millions of Years --"Source of Antimatter in the Milky Way"  

      Scientists have known since the early 1970s that the inner parts of the Milky Way galaxy are a strong source of gamma-rays, indicating the existence of antimatter, but there had been no settled view on where the antimatter came from. Now, a team of international astrophysicists led by The Australian National University (ANU) has shown how most of the antimatter in the Milky Way forms. Antimatter is material composed of the antiparticle partners of ordinary matter -...

2017-05-23 07:05:42
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"Synestia" --A New Planet-Sized Object in the Cosmos Identified  

    There's something new to look for in the heavens, and it's called a "synestia," according to planetary scientists Simon Lock at Harvard University and Sarah Stewart at the University of California, Davis. A synestia, they propose, would be a huge, spinning, donut-shaped mass of hot, vaporized rock, formed as planet-sized objects smash into each other. And at one point early in its history, the Earth itself was likely a synestia, said Stewart, who is a professor in the Depart

2017-05-23 03:00:00
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LIGO Can Probe the Cosmos for Exotic Gravitational Waves "Once Thought To Be Invisible"  

    Researchers at the the Monash Centre for Astrophysics have identified a new concept - 'orphan memory' - which changes the current thinking around gravitational waves. Einstein's theory of general relativity predicts that cataclysmic cosmic explosions stretch the fabric of spacetime. The stretching of spacetime is called 'gravitational waves.' After such an event, spacetime does not return to its original state. It stays stretched out. This effect is called 'memory.' The term

2017-05-22 08:36:50
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'Naked Singularities' Outside a Black Hole --"Could Cause the Laws of Physics to Break Down"  

    Researchers, from the University of Cambridge, have used computer simulations to predict the existence of a so-called naked singularity, normally only found at the center of black holes and hidden from view - could exist in highly curved three-dimensional space, which interferes with Einstein's general theory of relativity causing the laws of physics to break down. Einstein's general theory of relativity underpins our current understanding of gravity: everything from the e...

2017-05-22 08:01:41
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XENON1T: World's Largest Dark Matter Detector --"Listens for Its Very Weak Voice"  

The best result on dark matter so far—and we just got started." This is how scientists behind XENON1T, now the most sensitive dark matter experiment world-wide, commented on their first result from a short 30-day run presented today to the scientific community. Laura Baudis, professor at the University of Zürich and professor Manfred Lindner from the Max-Planck-Institute for Nuclear Physics in Heidelberg, emphasize that this allowed XENON1T to achieve record "silence," which is necessa...

2017-05-21 08:17:35
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Origins of Life --Building Blocks of RNA Cornerstone of All Life on Earth "Formed as a Single Process"   

RNA is the corner stone of all life on Earth and probably carried the first information at the outset of life, but making RNA requires both purine and pyrimidine nucleotides to be simultaneously available. A solution to this problem has remained elusive for more than 50 years. A single process for how a group of molecules called nucleotides were made on the early Earth, before life began, has been suggested by a UCL-led team of researchers. Nucleotides are essential to all life on Earth

2017-05-21 06:54:51
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Astronomers on Alert --"Strangest Star in the Milky Way Dimming Again This Week" (WATCH Weekend 'Galaxy' Stream)  

    Tabby's Star, KIC 8462852, located deep in an outer spiral arm of our Milky Way galaxy, some 1,480 light-years from Earth is entering another of its irregular dimmings, dipping suddenly by 3 percent in just a few days. Penn State astronomer Jason Wright fielded questions during his visit to UC Berkeley SETI's Breakthrough Listen Lab via a livestream Friday afternoon about the event. Efforts to check for signals that could come from an intelligent civilization, have failed so

2017-05-20 08:40:08
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This Week's Top Space & NASA News --Weekend Feature  

Exploring the Atmosphere of Earth-Like Planet Proxima b and Its Potential for Life --"Orbiting Our Closest Neighboring Star" (VIDEO) Spacetime is "Constantly Moving, Similar to Waves in the Ocean" Vast Magnetic Field Linking the Milky Way to Its Satellite Galaxies --"Observed for 1st Time" "For Starships of the Future" --Astronomers Map Supermassive Black Holes in the Distant Universe Greening of Antarctica --"Plant Life is Growing Rapidly Due to Climate Change" Solar System Obser

2017-05-20 07:46:03
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"For Starships of the Future" --Astronomers Map Supermassive Black Holes in the Distant Universe  

    Scientists from the Sloan Digital Sky Survey (SDSS) have constructed the first map of the universe based on the positions of supermassive black holes, which reveals the large-scale structure of the universe and precisely measures the expansion history of the universe back to when the universe was less than three billion years old. It will help improve our understanding of 'Dark Energy', the unknown process that is causing the universe's expansion to speed up. As part of the

2017-05-19 10:03:59
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Greening of Antarctica --"Plant Life is Growing Rapidly Due to Climate Change"  

Plant life on Antarctica is growing rapidly due to climate change, scientists have found. "The sensitivity of moss growth to past temperature rises suggests that ecosystems will alter rapidly under future warming, leading to major changes in the biology and landscape of this iconic region," said Professor Dan Charman, who led the research project at the University of Exeter. "In short, we could see Antarctic greening to parallel well-established observations in the Arctic. "Although the

2017-05-19 07:31:51
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Solar System Observed Similar to Ours During Its Late Heavy Bombardment Epoch  

An international team of astronomers, including researchers from the University of Cambridge, has made the most detailed image of the ring of dusty debris surrounding a young star and found that the ice content of colliding comets within it is similar to comets in our own solar system. The presence of this well-defined debris disc around the star, Fomalhaut, along with its curiously familiar chemistry, may indicate that this system is undergoing its own version of the Late Heavy Bombardment

2017-05-19 06:58:23
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Hubble Reveals a Moon Orbiting a Dwarf Planet in Frigid Outskirts of Our Solar System  

The combined power of three space observatories, including NASA's Hubble Space Telescope, has helped astronomers uncover a moon orbiting the third largest dwarf planet, catalogued as 2007 OR10. The pair resides in the frigid outskirts of our solar system called the Kuiper Belt, a realm of icy debris left over from our solar system's formation 4.6 billion years ago. With this discovery, most of the known dwarf planets in the Kuiper Belt larger than 600 miles across have companions. Th

2017-05-18 10:31:52
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CERN Accelerates LHC's Search for Supersymmetry --"Would Transform Our Understanding of Matter and Fundamental Forces of the Cosmos"  

Supersymmetry is an extension to the Standard Model that may explain the origin of dark matter and pave the way to a grand unified theory of nature. For each particle of the Standard Model, supersymmetry introduces an exotic new "super-partner," which may be produced in proton-proton collisions. Searching for these particles is currently one of the top priorities of the LHC physics program. A discovery would transform our understanding of the building blocks of matter and the fundamental

2017-05-18 09:37:22
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NASA Advances Mission to Land on Jupiter's "Ocean Moon" Europa --"Priority: Search for Evidence of Life" (WATCH VIDEO)  

NASA is asking scientists to consider what would be the best instruments to include on a mission to land on Jupiter's icy moon, Europa. The proposed Europa lander is separate from and would follow its predecessor -- the Europa Clipper multiple flyby mission - which now is in preliminary design phase and planned for launch in the early 2020s. Arriving in the Jupiter system after a journey of several years, the spacecraft would orbit the planet about every two weeks, providing opportun...

2017-05-18 08:09:33
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NASA Reveals a Huge Man-Man Bubble Surrounding Earth  

NASA scientists have revealed the presence of a huge man-made bubble that's surrounding the Earth, likely the result of very low frequency (VLF) radio signals, used to communicate with deep-ocean submarines. "By understanding more about how VLF transmission helps shape our space environment, we learn more about this complex region surrounding us," NASA said. "The more we know, the more situational awareness we have to protect our satellites from natural radiation in space." If ...

2017-05-18 05:13:04
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Light from Supernova Remnant Simeis 147 Reached Earth 40,000 Years Ago --During the Stone Age  

  NASA writes that t's easy to get lost following intricate filaments in this detailed image of faint supernova remnant Simeis 147, also known as as Sharpless 2-240 it goes by the popular nickname, the Spaghetti Nebula covering nearly 3 degrees or 6 full moons on the sky. That's about 150 light-years at the stellar debris cloud's estimated distance of 3,000 light-years. The composite includes image data taken through narrow-band filters, enhancing the reddish emission from ioni

2017-05-18 03:00:00
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'Alien: Covenant' Director Ridley Scott --"The Future of Artificial Intelligence" (WATCH Today's 'Galaxy' Stream)  

    Artificial intelligence (AI) wreaks havoc over the science fiction world once again in Alien: Covenant. Ridley Scott and actor Michael Fassbender talk to science journalist Tereza Pultarova about the pros and cons of developing AI in today's society. Ridley Scott's "Alien: Covenant" is a new chapter in his groundbreaking "Alien" franchise. The crew of the colony ship Covenant, bound for a remote planet on the far side of the galaxy, discovers what they think is an uncharte...

2017-05-17 09:35:08
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A Galaxy's Fate --"Is Encoded in its Electromagnetic Spectrum"  

    Deciphering the star formation history of a galaxy from its spectrum is one of the most challenging tasks in astronomy. "Fado" derives from the Latin "Fatum," which means fate or destiny. Each galaxy has a fado—a narrative of its biography since the birth of its first stars. This fate is written in its electromagnetic spectrum, which contains the fossil records of multiple stellar populations that formed over several billion years, as well as the gas that those stars ionize...

2017-05-17 07:17:54
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"Year One Million" --Homo Sapiens 2.0 The New National Geographic TV Series  

    What was once conceived as science fiction is now anchored in reality. Year Million, a new six-part documentary-drama series from National Geographic, explores what it will be like to be human one million years into the future. Today's brightest futurists, scientists, scholars and notable science fiction writers guide viewers through the very latest advances in technology, ideas and innovations that likely will power the evolution of our species. Through illustrative, dram...

2017-05-17 03:00:00
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Exploring the Atmosphere of Earth-Like Planet Proxima b and Its Potential for Life --"Orbiting Our Closest Neighboring Star" (VIDEO)  

    The quest to discover whether a planet orbiting our closest neighboring star, Proxima Centauri (4.2 light years or 25 trillion miles from Earth), has the potential to support life has taken a new, exhilarating twist. Discovered in August 2016 the planet, Proxima B, is thought to be of similar size to Earth, creating the possibility that it could have an `Earth-like' atmosphere. Scientists from the University of Exeter have embarked on their first, tentative steps to explore

2017-05-16 08:56:26
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Heavy Rains Reshaped Early Mars  

Heavy rain on Mars reshaped the planet's impact craters and carved out river-like channels in its surface billions of years ago, according to a new study published in Icarus. In the paper, researchers from the Smithsonian Institution and the Johns Hopkins University Applied Physics Laboratory show that changes in the atmosphere on Mars made it rain harder and harder, which had a similar effect on the planet's surface as we see on Earth. fourth planet from the sun, Mars has geological

2017-05-16 08:28:04
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NASA's Deep Space Climate Observatory Decodes Mystery Flashes of Light from Earth (WATCH Video)  

One million miles from Earth, a NASA camera is capturing unexpected flashes of light reflecting off our planet. The homeward-facing instrument on NOAA's Deep Space Climate Observatory, or DSCOVR, launched in 2015, caught hundreds of these flashes over the span of a year. As keen observers from outside NASA wrote in, questioning the source of these lights, scientists deciphered the tiny cause to the big reflections: high-altitude, horizontally oriented ice crystals. NASA's Earth Poly...

2017-05-16 06:25:00
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Spacetime is Not as Static as It Appears --"It's Constantly Moving, Similar to Waves in the Ocean"  

A new study tries to resolve a major incompatibility issue between two of the most successful theories that explain how our universe works: quantum mechanics and Einstein's theory of general relativity to solve one of nature's great puzzles: what causes the accelerating expansion of our universe by suggesting that if we zoomed in, way in, on the universe, we would realize it's made up of constantly fluctuating space and time. "Space-time is not as static as it appears, it's constantly m

2017-05-15 08:59:57
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Spacetime Not Static --"It's Constantly Moving, Similar to Waves in the Ocean"  

A new study tries to resolve a major incompatibility issue between two of the most successful theories that explain how our universe works: quantum mechanics and Einstein's theory of general relativity to solve one of nature's great puzzles: what causes the accelerating expansion of our universe by suggesting that if we zoomed in, way in, on the universe, we would realize it's made up of constantly fluctuating space and time. "Space-time is not as static as it appears, it's constantly m

2017-05-15 08:59:57
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Vast Magnetic Field Linking the Milky Way to Its Satellite Galaxies --"Observed for 1st Time"  

    For the first time, astronomers have detected a magnetic field associated with the Magellanic Bridge, the filament of gas stretching 75 thousand light-years between the Milky Way Galaxy's nearest galactic neighbors: the Large and Small Magellanic Clouds (LMC and SMC, respectively). "There were hints that this magnetic field might exist, but no one had observed it until now," says Jane Kaczmarek, at the University of Sydney, and lead author of the paper describing the findin

2017-05-15 06:19:05
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Startalk Radio With Neil deGrasse Tyson --"The Power of Science Fiction"   

  William Shatner, Captain Kirk himself, gets a chance to ask Neil questions about the universe, igniting a wonder-infused conversation about spacetime, photons, relativity, and the speed of light. NASA Aerospace Technologist David Batchelor stops by to discuss his article "The Science of Star Trek" and weighs in on what technology from the show could soon become reality. All that, plus, fan-submitted Cosmic Queries on the disappearance of the sun, distant galaxies, neutron st...

2017-05-15 03:00:00
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This Week's Space & NASA News Headlines --"From Search for Earth 2.0 to New Species of Early Human"  

New Fast-Radio-Burst Phenomenon Baffles Astronomers --"Reveals a Previously Unknown Hole in the Milky Galaxy" Newly Discovered TRAPPIST-1 Red-Dwarf Star System --"All Seven Planets Synchronize in Nearly Perfect Time, With Three in the Habitable Zone" (VIDEO) 'Cold War' Rages Over Inflationary, Expanding Theory of the Universe --"Does Not Meet the Standards of Real Science" (WATCH Today's "Galaxy" Stream) "In Search of Earth 2.0" --James Webb Space Telescope Will Focus 0n Exoplanet A

2017-05-14 07:58:18
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China Creates National Lab to Lead World in Brain-Like Artificial Intelligence   

  China's first national laboratory for brain-like artificial intelligence (AI) technology was inaugurated Saturday to pool the country's top research talent and boost the technology. China's rapid rise up the ranks of AI research has the world's scientific community taking notice. In October, the Obama White House released a "strategic plan" for AI research, which noted that the U.S. no longer leads the world in journal articles on "deep learning," a particularly hot subset...

2017-05-14 07:09:58
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New Fast-Radio-Burst Phenomenon Baffles Astronomers --"Reveals a Previously Unknown Hole in the Milky Galaxy"  

    Scientists detected the newest Fast radio burst, 5-millisecond intergalactic blips of radio waves, FRB 150215, on February 15, 2015 with the Parkes Telescope in Australia, but still don't know the cause of it, or the 22 similar FRBs spotted on different occasions since 2007 that leave no trace, be they x-rays or visible light, or neutrinos. It's predicted that around 2,000 of these mysterious phenomena are lighting up the Universe every single day. "We spent a lot of tim...

2017-05-13 07:17:00
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New Mars' Mystery --"Strange Bright Streaks Observed in NASA Infrared Images"  

    In looking at NASA images of Mars a few years ago, Brown University geologist Peter Schultz noticed sets of strange bright streaks emanating from a few large-impact craters on the planet's surface. The streaks are odd in that they extend much farther from the craters than normal ejecta patterns, and they are only visible in thermal infrared images taken during the Martian night. Using geological observation, laboratory impact experiments and computer modeling, Schultz and Br

2017-05-12 07:00:59
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'Cold War' Rages Over Inflationary, Expanding Theory of the Universe --"Does Not Meet the Standards of Real Science" (WATCH Today's "Galaxy" Stream)  

    From the earliest human civilizations, people have looked to the heavens and pondered the origins of the stars and constellations above. Once, those stories involved gods and magical beings. Now, there's science, and a large research enterprise focused on understanding how the universe came to be. Squarely in the center of this research enterprise is inflationary theory. It argues that the universe was born out of an unstable, energetic vacuum-like state then expanded drama...

2017-05-11 08:18:48
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NASA's Observatories Combine to Crack Open Secrets of the Crab Nebula and Its Ancient Pulsar  

      Astronomers have produced a highly detailed image of the Crab Nebula, by combining data from telescopes spanning nearly the entire breadth of the electromagnetic spectrum, from radio waves seen by the Karl G. Jansky Very Large Array (VLA) to the powerful X-ray glow as seen by the orbiting Chandra X-ray Observatory. And, in between that range of wavelengths, the Hubble Space Telescope's crisp visible-light view, and the infrared perspective of the Spitzer Space Tele

2017-05-11 05:55:49
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Mysterious New Species of Human Discovered in Africa --"Homo naledi Raises Questions about How Humans Evolved" (WATCH Today's "Galaxy" Stream)  

When fossil hunters unveiled the remains of a mysterious and archaic new species of human in 2015 between 335,000 and 236,000 years old, making them far younger than many scientists had anticipated. If the dating is accurate, Homo naledi may have emerged about two million years ago but retained some of its more ancient features even as modern humans evolved. The age of the bones, and their discovery in the Rising Star cave system on the edge of the Cradle of Humankind World Heritage sit

2017-05-10 20:43:37
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Jupiter's Moon Europa Aligns With Io, the Volcanic Epicenter of Our Solar System --Reveals Colossal Molten-Lava Lake  

Taking advantage of a rare orbital alignment between two of Jupiter's moons, Io and Europa, researchers have obtained an exceptionally detailed map of the largest lava lake on Io, the most volcanically active body in the solar system. On March 8, 2015, Europa passed in front of Io, gradually blocking out light from the volcanic moon. Because Europa's surface is coated in water ice, it reflects very little sunlight at infrared wavelengths, allowing researchers to accurately isolate the

2017-05-10 12:37:01
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Newly Discovered TRAPPIST-1 Red-Dwarf Star System --"All Seven Planets Synchronize in Nearly Perfect Time, With Three in the Habitable Zone" (VIDEO)  

"Most planetary systems are like bands of amateur musicians playing their parts at different speeds," says Matt Russo, at the Canadian Institute for Theoretical Astrophysics (CITA). "TRAPPIST-1 is different; it's a super-group with all seven members synchronizing their parts in nearly perfect time." When NASA announced its discovery of the TRAPPIST-1 system back in February it caused quite a stir, and with good reason. Three of its seven Earth-sized planets lay in the star's habitable z

2017-05-10 07:55:00
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"In Search of Earth 2.0" --James Webb Space Telescope Will Focus 0n Exoplanet Atmospheres (WATCH Today's 'Galaxy' Stream)  

    "In the future," says Penn State's Natasha Batalha, "there will be a push to characterize the first Earth 2.0. If we don't nail this down now and master the art of characterizing exo-atmospheres, we will never accurately characterize Earth 2.0." "Information content is the total amount of information we can get from a planet's atmospheric spectrum, from temperature and composition of the gas -- like water and carbon dioxide -- to atmospheric pressure, Batalha and Michael Lin

2017-05-10 06:51:59
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NASA --"Merging Galaxies Observed With Hidden Supermassive Black Holes"  

"A supermassive black hole grows rapidly during these mergers," said NASA's Claudio Ricci, an astrophysicist studying supermassive black holes. "The results further our understanding of the mysterious origins of the relationship between a black hole and its host galaxy." Black holes get a bad rap in popular culture for swallowing everything in their environments. In reality, stars, gas and dust can orbit black holes for long periods of time, until a major disruption pushes the material in.

2017-05-09 11:13:17
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First Life on Earth: New Discovery Pushes Back Evidence by 3 Billion Years! --"Major Implications for Life on Mars"  

  Fossil evidence of early life has been discovered by scientists in 3.48 billion year old hot spring deposits in the Pilbara of Western Australia - pushing back by 3 billion years the earliest known existence of inhabited terrestrial hot springs on Earth. Previously, the world's oldest evidence for microbial life on land came from 2.7- 2.9 billion year old deposits in South Africa containing organic matter-rich ancient soils. The discovery has major implications for the search for li

2017-05-09 09:33:25
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Epic Discovery of Gravitational Waves --"Echoes of Hidden Dimensions in the Cosmos"  

"Hidden dimensions could cause ripples through reality by modifying gravitational waves - and spotting such signatures of extra dimensions could help solve some of the biggest mysteries of the universe," writes Leah Crane for New Scientist. "If there are extra dimensions in the universe, then gravitational waves can walk along any dimension, even the extra dimensions," says Gustavo Lucena Gómez at the Max Planck Institute for Gravitational Physics in Potsdam, Germany. "If ext...

2017-05-09 08:26:52
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10 

Vatican Conference Begins on Black Holes, Gravitational Waves and Spacetime Singularities (VIDEO)  

  The Vatican Observatory reports AP has invited some of the world's leading scientists and cosmologists to talk black holes, gravitational waves and space-time singularities as it honors a Jesuit cosmologist considered one of the fathers of the idea that the universe began with a gigantic explosion we call the Big Bang. The May 9-12 conference honoring Monsignor George Lemaitre is being held at the Vatican Observatory, founded by Pope Leo XIII in 1891 to help correct the notion that

2017-05-09 07:28:20
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5 

Astronomers Scan Milky Way for Alien Laser Beams --"Could Signal a Planet With a New York City, Paris, or London" (Today's Most Popular)  

    Imagine another life-form on a distant world conducting the same kind of search for laser light, said Nate Tellis of the University of California, Berkeley. "If we had pointed our telescope at Earth at sort of the distance that we've been doing here, we wouldn't have seen us," he said, "because Earth is not firing a laser beam into the universe as a beacon of its existence. Other worlds may not be, either. Every single one of those stars could have a New York City, ...

2017-05-08 07:20:26
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11 

World's Biggest Most Powerful X-Ray Laser Beams First Light! --"More Than 27,000 Light Flashes Per Second"  

    The European XFEL, the biggest X-ray laser in the world, has reached the last major milestone before the official opening in September. The 3.4 km long facility, most of which is located in underground tunnels, has generated its first X-ray laser light. The X-ray light has a wavelength of 0.8 nm - about 500 times shorter than that of visible light. At first lasing, the laser had a repetition rate of one pulse per second, which will later increase to 27,000 per second. Euro

2017-05-08 06:51:04
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8 

Early Earth Was 'Like a Book with Its First Chapter Ripped Out'--"Almost Entirely Under Water"  

"The history of the Earth is like a book with its first chapter ripped out with no surviving rocks from the very early period, but we've used these trace elements of zircon to build a profile of the world at that time," said Antony Burnham from the ANU Research School of Earth Sciences. "Our research indicates there were no mountains and continental collisions during Earth's first 700 million years or more of existence - it was a much more quiet and dull place. "Our findings also showed

2017-05-08 03:00:00
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10 

China Advances Probes to Explore Far Side of the Moon and Lunar Poles --"A Significant Innovation in Human History"  

"The exploration of lunar poles is a significant innovation in human history, which has drawn great attention from around the world. It will also lay a solid foundation for deeper and more accurate Moon probes in the future," siad Tian Yulong, chief engineer at SASTIND, The State Administration for Science, Technology and Industry for National Defence. The ambitious and complex Chang'e-6 mission is part of wider plans outlined for the exploration of the Moon which will follow on from

2017-05-07 12:49:14
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17 

This Week's Top Space & NASA Headlines --From "Extinct Technological Civilizations to New Exoplanet Discoveries"  

"Cities on Venus" --Extinct Technological Life May Have Existed Eons Ago in Our Solar System NASA's Cassini Spacecraft Poised For 2nd Dive Between Saturn and Its Rings --Into "The Big Empty" "Disaster Sanctuaries" --Recovery of Life After Earth's Greatest Mass Extinction NASA's Cassini Spacecraft Shown Diving Through Plumes of Saturn's Ocean-Moon Enceladus --"Milestone in Our Search for Habitable Worlds" Discovery of Unusual Solar System--"Focus on Star Systems Not Just In

2017-05-06 07:43:22
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8 

Earth's Fate --"May Be Determined This Century by One Species Alone – Ours" (WATCH Today's 'Galaxy' Stream)  

    After 4.5 billion years of existence, Earth's fate may be determined this century by one species alone - ours. The unintended consequences of powerful technologies like nuclear, biotech and artificial intelligence have created high cosmic stakes for our world. "We need to deploy more expertise to address which long-term threats are credible versus which will stay science fiction - and to achieve a balance between precautionary policies and the benign exploitation of ...

2017-05-06 06:37:40
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11 

NASA/ESA: 'Warping Spacetime' --"Gravitational Fields of the Most Enormous Structures in the Cosmos Bound Together By Dark Matter"  

    The NASA/ESA Hubble Telescope has peered across six billion light years of space to resolve extremely faint features of the galaxy cluster Abell 370 that have not been seen before. Imaged below in stunning detail, Abell 370 is part of the Frontier Fields programme which uses massive galaxy clusters to study the mysteries of dark matter and the very early Universe. Six billion light-years away in the constellation Cetus (the Sea Monster), Abell 370 is made up of hundreds of g

2017-05-05 08:00:29
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13 

WATCH NASA Movie of Cassini Spacecraft's 'Grand Finale' Exploration of Saturn --"Close Up of Its Swirling Monster Vortex and Jet Stream"  

A new movie sequence of images from NASA's Cassini spacecraft shows the view as the spacecraft swooped over Saturn during the first of its Grand Finale dives between the planet and its rings on April 26. The movie comprises one hour of observations as the spacecraft moved southward over Saturn. It begins with a view of the swirling vortex at the planet's north pole, then heads past the outer boundary of the hexagon-shaped jet stream and beyond. "I was surprised to see so many sharp edges

2017-05-04 06:49:09
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12 

WATCH NASA Movie of Cassini Spacecraft's 'Grand Finale' Exploration of Saturn's Rings  

A new movie sequence of images from NASA's Cassini spacecraft shows the view as the spacecraft swooped over Saturn during the first of its Grand Finale dives between the planet and its rings on April 26. The movie comprises one hour of observations as the spacecraft moved southward over Saturn. It begins with a view of the swirling vortex at the planet's north pole, then heads past the outer boundary of the hexagon-shaped jet stream and beyond. "I was surprised to see so many sharp edges

2017-05-04 06:49:09
`
13 

WATCH NASA Movie of Cassini Spacecraft's 'Grand Finale' Exploration of Saturn --"Close Up of Its Swirling Monster Vortex and Jet Stream"  

A new movie sequence of images from NASA's Cassini spacecraft shows the view as the spacecraft swooped over Saturn during the first of its Grand Finale dives between the planet and its rings on April 26. The movie comprises one hour of observations as the spacecraft moved southward over Saturn. It begins with a view of the swirling vortex at the planet's north pole, then heads past the outer boundary of the hexagon-shaped jet stream and beyond. "I was surprised to see so many sharp edges

2017-05-04 06:49:09
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10 

Young Solar System 10 Light Years Away --"At Same Age Earth's Oceans and Conditions for Life Set"  

"This star hosts a planetary system currently undergoing the same cataclysmic processes that happened to the solar system in its youth, at the time in which the moon gained most of its craters, Earth acquired the water in its oceans, and the conditions favorable for life on our planet were set," said Massimo Marengo, Iowa State associate professor of physics and astronomy. Marengo and other astronomers were on board NASA's SOFIA aircraft to observe the mission and collect infrared data

2017-05-03 11:21:19
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10 

Colossal Wave Observed Rippling Through the Perseus Galaxy Cluster --"Twice the Size of the Milky Way" (WATCH Today's 'Galaxy' Stream)  

    Combining data from NASA's Chandra X-ray Observatory with radio observations and computer simulations, an international team of scientists has discovered a vast wave of hot gas in the nearby Perseus galaxy cluster. Spanning some 200,000 light-years, the wave is about twice the size of our own Milky Way galaxy. The researchers say the wave formed billions of years ago, after a small galaxy cluster grazed Perseus and caused its vast supply of gas to slosh around an enormous v

2017-05-03 07:39:39
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9 

"Disaster Sanctuaries" --Recovery of Life After Earth's Greatest Mass Extinction  

    An international team of researchers at the University of Calgary and the Chinese Academy of Sciences has shown just how precarious the recovery of life was following Earth's greatest extinction event about 251.9 million years ago. A site near Shangsi in China's Sichuan Province highlights a short-lived community of organisms that may hold clues to forces shaping our planet today and into the future. "Refuge" describes an ecosystem that acts as a sanctuary for organisms duri

2017-05-03 06:28:15
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17 

Mysterious Glow Detected at the Heart of the Milky Way --"The Remnants of Ancient Stars or Dark Matter?"  

    A mysterious gamma-ray glow at the center of the Milky Way is most likely caused by pulsars - the incredibly dense, rapidly spinning cores of collapsed ancient stars that were up to 30 times more massive than the sun. That's the conclusion of a new analysis by an international team of astrophysicists, including researchers from the Department of Energy's SLAC National Accelerator Laboratory. The findings cast doubt on previous interpretations of the signal as a potential si...

2017-05-03 03:00:00
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9 

Mysterious Glow Detected at the Heart of the Milky Way --"The Remnants of Ancient Stars or Dark Matter?"  

    A mysterious gamma-ray glow at the center of the Milky Way is most likely caused by pulsars - the incredibly dense, rapidly spinning cores of collapsed ancient stars that were up to 30 times more massive than the sun. That's the conclusion of a new analysis by an international team of astrophysicists, including researchers from the Department of Energy's SLAC National Accelerator Laboratory. The findings cast doubt on previous interpretations of the signal as a potential si...

2017-05-03 03:00:00
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11 

Discovery of Unusual Solar System--"Focus on Star Systems Not Just Individual Planets in Search for Life"  

After NASA announced in February the discovery of a solar system with seven planets—three of which were deemed potentially habitable—U of Chicago postdoctoral scholar Sebastiaan Krijt began wondering: If a life form existed on one of these planets, could space debris carry it to another? Krijt and fellow UChicago scientists conclude that life forms, such as bacteria or single-cell organisms, could travel through the newly discovered TRAPPIST-1—an unusual solar system that presents ...

2017-05-02 09:15:40
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13 

"Cities on Venus" --Extinct Technological Life May Have Existed Eons Ago in Our Solar System  

    "As we improve our understanding of ancient Earth and the history of our solar system, perhaps we may someday uncover evidence that suggests the activity of another technological civilization right here in our neighborhood," says Andrew Siemion, the director of Berkeley's SETI Research Center. One of the open questions of astrobiology is whether there is extant or extinct life elsewhere the Solar System. Astronomer Jason Wright at Penn State says that we are looking ...

2017-05-02 07:26:36
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11 

NASA's Cassini Spacecraft Poised For 2nd Dive Between Saturn and Its Rings --Into "The Big Empty"  

"The region between the rings and Saturn is 'the big empty,' apparently," said Cassini Project Manager Earl Maize of NASA's Jet Propulsion Laboratory in Pasadena, California. "Cassini will stay the course, while the scientists work on the mystery of why the dust level is much lower than expected." As NASA's Cassini spacecraft prepares to shoot the narrow gap between Saturn and its rings for the second time in its Grand Finale, Cassini engineers are delighted, while ring scientists are p

2017-05-01 19:43:13
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11 

NASA's Cassini Spacecraft Shown Diving Through Plumes of Saturn's Ocean-Moon Enceladus --"Milestone in Our Search for Habitable Worlds" (WATCH Today's 'Galaxy' Stream)  

    "Confirmation that the chemical energy for life exists within the ocean of a small moon of Saturn is an important milestone in our search for habitable worlds beyond Earth," said Linda Spilker, Cassini project scientist at NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California. "Although we can't detect life, we've found that there's a food source there for it. It would be like a candy store for microbes," said Hunter Waite, lead author of the new Cassini study. &...

2017-05-01 10:03:40
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8 

NASA Scientists Struggle With Mysteries of Dark Matter  

    Astronomers have used data from NASA's Chandra X-ray Observatory to study the properties of dark matter, the mysterious, invisible substance that makes up a majority of matter in the universe. The study, which involves 13 galaxy clusters, explores the possibility that dark matter may be more "fuzzy" than "cold," perhaps even adding to the complexity surrounding this cosmic mystery. The Hubble image above shows galaxy cluster Abell 2390. For several decades, astronomers have

2017-05-01 08:20:08
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15 

"Sixty Earth-Like Planets in Habitable Zones within 32 Light-Years --Perhaps Many More"  

    "How common are planets orbiting low-mass stars? Very common indeed," explained Courtney Dressing, an astronomer at UC Berkeley to scientists gathered at Stanford University to discuss discovering life outside the Solar System. "For a typical M-Dwarf, there tends to be 2.5 planets. One-in-four of the stars has a planet the same size and temperature as Earth in the habitable zone." Dressing's point was that given the number of M-dwarfs in the local region, there should be a

2017-05-01 07:36:08
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7 

This Week's Top Space & NASA Headlines --"From Saturn's Mysteries to a Sign of Another Universe"  

NASA's Cassini Spacecraft Completes 1st Dive Through Gap Between Saturn and Rings --"Beams Back Images of a Colossal Swirling Storm" (WATCH Today's 'Galaxy' Stream) 'Cold Spot' of the Cosmos Billions of Light Years Across --"Was Caused By a Collision With Another Universe" "Mystery of Instant Life" Microbes Appear Out of Nowhere To Colonize a Volcano Eruption Bubble of Spacetime --"A 'Time Machine' That Moves Greater Than Speed of Light Allowing It to Travel Back and Forward

2017-04-29 08:33:06
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11 

NASA's Cassini Spacecraft Completes 1st Dive Through Gap Between Saturn and Rings --"Beams Back Images of a Colossal Swirling Storm" (WATCH Today's 'Galaxy' Stream)  

    "No spacecraft has ever been this close to Saturn before," Earl Maize, Cassini project manager and a researcher at NASA's Jet Propulsion Laboratory in California, said. "We could only rely on predictions, based on our experience with Saturn's other rings, of what we thought this gap between the rings and Saturn would be like." The raw images, which began to stream back early this morning, indicating the probe had survived its journey, show intricate structures and a dark, swi

2017-04-28 07:22:08
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17 

Bubble of Spacetime --"A 'Time Machine' That Moves Greater Than Speed of Light Allowing It to Travel Back and Forward in Time"  

    After some serious number crunching, a University of British Columbia researcher has come up with a mathematical model for a viable time machine --a bubble of space-time geometry which carries its contents backward and forwards through space and time as it tours a large circular path. The bubble moves through space-time at speeds greater than the speed of light at times, allowing it to move backward in time. Ben Tippett, a mathematics and physics instructor, whose field of ex

2017-04-27 09:35:37
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14 

Newly Discovered 'Ice Planet' --"Helps NASA Understand Distribution of Planets in Milky Way's Disk vs Center"  

Scientists have discovered a new planet with the mass of Earth, orbiting its star at the same distance that we orbit our sun. The planet is likely far too cold to be habitable for life as we know it, however, because its star is so faint. But the discovery adds to scientists' understanding of the types of planetary systems that exist beyond our own. "Although we only have a handful of planetary systems with well-determined distances that are this far outside our solar system, the lack o

2017-04-27 08:25:09
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9 

NASA's New Unified Theory of Solar Eruptions --"From Small Bursts to Giant Clouds of Plasma Blown into Space" (WATCH Today's 'Galaxy' Stream)  

Large and small scale solar eruptions might all be triggered by a single process, according to new research that leads to better understanding of the Sun's activity. Researchers at Durham University, UK, and NASA's Goddard Space Flight Center, USA, used 3D computer simulations to show a theoretical link between large and small scale eruptions that were previously thought to be driven by different processes. They looked at the mechanism behind coronal jets - relatively small bursts of pla

2017-04-27 07:18:25
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10 

New NASA Technology --"One of Earth's Largest Volcanoes Helps Set the Stage for Human Exploration of Other Worlds"  

On the rust-colored north flank of one of Earth's largest volcanoes, a backpack-sized instrument monitors our atmosphere and, at the same time, helps set the stage for possible human exploration of other worlds. Designed and built at NASA's Goddard Space Flight Center, the instrument tracks levels of methane and carbon dioxide, two gases crucial for studying the chemistry of Earth's atmosphere. Portable and nearly self-contained, the unit could represent the start of a low-cost global net

2017-04-26 15:12:51
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11 

New NASA Technology --"One of Earth's Largest Volcanoes Helps Set the Stage for Human Exploration of Other Worlds" (VIDEO)  

  On the rust-colored north flank of one of Earth's largest volcanoes, a backpack-sized instrument monitors our atmosphere and, at the same time, helps set the stage for possible human exploration of other worlds. Designed and built at NASA's Goddard Space Flight Center, the instrument tracks levels of methane and carbon dioxide, two gases crucial for studying the chemistry of Earth's atmosphere. Portable and nearly self-contained, the unit could represent the start of a low-cost glob

2017-04-26 15:12:51
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8 

NASA Alert: Cassini Takes 1st Dive Through Narrow Gap Between Saturn & its Rings Today --"A Region No Spacecraft has Ever Explored"  

    NASA's Cassini spacecraft is set to make its first dive through the narrow gap between Saturn and its rings on April 26, 2017. Because that gap is a region no spacecraft has ever explored, Cassini will use its dish-shaped high-gain antenna (13 feet or 4 meters across) as a protective shield while passing through the ring plane. No particles larger than smoke particles are expected, but the precautionary measure is being taken on the first dive. The Cassini team will use da

2017-04-26 11:00:41
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8 

NASA Out of Cassini Spacecraft Radio Contact Before Final Ring Dives and Death Plunge --"Will Gather Amazing New Data About This Huge World" (VIDEO)  

    Controllers and scientists must wait until Thursday to hear from the Cassini spacecraft that was due early on Wednesday to make the first of 22 dives in between Saturn's cloud tops and the inner edge of its spectacular rings designed to gather pictures and other science data of unprecedented resolution and science data that finally unlocks puzzles about the make-up and history of this huge world. "We're going to top off this mission with a lot of new measurements - some amaz

2017-04-26 07:41:09
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10 

"Mystery of Instant Life" Microbes Appear Out of Nowhere To Colonize a Volcano Eruption   

    Researchers have discovered just that, identifying a new species of furry white bacteria covering a submerged volcano 130 meters (426 feet) below sea level in the Canary Islands that appeared to have started colonizing the volcano as soon as the temperature dropped. "These organisms apparently come out of nowhere," David Kirchman, from the University of Delaware, told Sam Wong at New Scientist."I bet there were microbes appearing there just as soon as those rocks got below 1

2017-04-26 07:07:15
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12 

'Cold Spot' Anomaly Billions of Light Years Across --"Caused By a Collision With Another Universe"   

  "This means we can't entirely rule out that the Spot is caused by an unlikely fluctuation explained by the standard model. But if that isn't the answer, then there are more exotic explanations. Perhaps the most exciting of these is that the Cold Spot was caused by a collision between our universe and another bubble universe. If further, more detailed, analysis of CMB data proves this to be the case then the Cold Spot might be taken as the first evidence for the multiverse -

2017-04-25 13:11:46
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16 

'Cold Spot' Anomaly Billions of Light Years Across --"Was Caused By a Collision With Another Universe"   

  "This means we can't entirely rule out that the Spot is caused by an unlikely fluctuation explained by the standard model. But if that isn't the answer, then there are more exotic explanations. Perhaps the most exciting of these is that the Cold Spot was caused by a collision between our universe and another bubble universe. If further, more detailed, analysis of CMB data proves this to be the case then the Cold Spot might be taken as the first evidence for the multiverse -

2017-04-25 13:11:46
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14 

"Journey's End" --NASA's Cassini Spacecraft Heading Towards Its "End-of-Mission" Death Plunge Through Saturn's Rings (WATCH Today's 'Galaxy' Stream)  

    On April 21, the spacecraft made its final close approach to Saturn's moon Titan and will now begin its last set of 22 orbits around Saturn until it takes its death plunge into Saturn's atmosphere right on September 15. After the close approach that gave us Cassini's last image of Earth, the craft sent images and data back to earth for scientists to study the hydrocarbon seas and lakes on Titan's north polar region. The gravity from Titan set Cassini up for its Gra...

2017-04-25 07:18:19
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10 

New NASA Discovery --"Our Sun and Planets Surrounded by a Gigantic Round Magnetic Field That Fills the Solar System"  

    New data from NASA's Cassini mission, combined with measurements from the two Voyager spacecraft and NASA's Interstellar Boundary Explorer, or IBEX, suggests that our sun and planets are surrounded by a giant, rounded system of magnetic field from the sun—calling into question the alternate view of the solar magnetic fields trailing behind the sun in the shape of a long comet tail. In the image above, from top left and going counter clockwise, the stars shown are LLOrionis...

2017-04-24 10:40:31
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12 

Rocky Super-Earth Found in Habitable Zone of a Cool Star --"Most Exciting Exoplanet We've Seen in the Last 10 Years"  

    "This is the most exciting exoplanet which I have seen in the last ten years" comments Jason Dittmann of the Harvard-Smithsonian Centre for Astrophysics (CfA), the first author of the article in Nature. "It would be difficult to find a better objective for carrying out one of the most important searches in science: for evidence of life beyond the Earth". One of the most successful techniques presently in use for detecting expolantes is the search for transits. Similar to the

2017-04-24 07:35:38
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19 

Scientists Search for Amino Acids That Might Form the Basis of Extraterrestrial Life --"May Be Different Than Those On Earth"  

    "In a different extraterrestrial locale, the proteins in an organism would not necessarily be the same as that of an organism on Earth, so they might use amino acids that are known to us but not used to make proteins on Earth," said Claire Mammoser, a research assistant in the laboratory of Laura Rowe at Valparaiso University. "Our main goal with this research is to see if there are structural characteristics of some amino acids that lead to a higher stability in extraterr

2017-04-24 07:15:48
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13 

China's Climate-Change Scientists Find Links to Solar Winds  

  The solar flux is considered the fundamental energy source of earth's climate system on long time scales. In recent decades, some studies have noted that the tiny variations in solar activity could be amplified by the nonlinear process in climate system. But the astronomy factors, such as solar activity, presented intriguing and cutting-edge questions to better understand climate change. In 2012, China's National Basic Research Program examined the impacts of astronomy and earth mo

2017-04-24 03:00:00
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24 

"Decoded" --NASA's Voyager Mission's Message to Intelligent Spacefaring Civilizations  

  In 1977, NASA launched Voyager 1 and 2 to explore and document our solar system and the interstellar space beyond. The craft will drift for billions of years in the emptiness, each carrying a Golden Record inscribed with our message to any intelligent spacefaring civilization that discovers it.         Related articles "100,000 Galaxies Fail to Yield Signs of Advanced Technological Civilizations" --NASA's WISE Orbiting Observatory Our 30-Light-

2017-04-23 08:55:02
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24 

"We Have No Planet B!" --World's Scientists March On Earth Day to Fight 'Alternative Facts' (WATCH Video)  

  Thousands of people joined a global March for Science on Saturday with Washington the epicenter of a movement to fight against what many see as an "assault on facts" by populist politicians. The movement was echoed in hundreds of events across the United States and around the world, from Sydney to Accra. U.S. President Donald Trump himself passed dozens of protesters on his way to visit wounded soldiers at a military hospital. "Stop denying the earth is dying," one sign visible from

2017-04-23 07:40:40
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9 

This Week's Top Space & NASA Headlines --"Alien Water Worlds to Cassini's Final Titan Flyby"  

        Alien Water Worlds --"Most Habitable Planets May Have Oceans Spanning 90% of Their Surface" "Beyond Carbon" --Life in the Universe (WATCH Today's 'Galaxy' Stream) Earth-Impacting Asteroids --For the 1st Time, Scientists Rank Seven Most Threatening Effect NASA's Search For Habitable Ecosystems --"Reverse Engineering Europa" (WATCH Today's 'Galaxy' Stream) Cassini Spacecraft's Final Flyby This Weekend of Saturn's Titan --Search for "Magic Island" 2020 Mar

2017-04-22 08:29:48
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28 

NASA's Earth Observatory Tracks Mount Etna's Violent April Eruption  

    On April 10, Italy's Mount Etna unleashed a sudden and violent eruption (called a paroxysmal episode,) for the third time in 2011. According to the Instituto Nazionale de Geofisica e Vulcanologie (INGV; National Institute of Geology and Volcanology), this episode included lava fountaining, a new lava flow from the collapse pit in the Southeast Crater, and ash and gas emissions. Wind carried the plume of ash to the southeast. Lava flowed down the side of the mountain, expl...

2017-04-22 07:50:19
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8 

World's Scientists See Antarctica's Biodiversity Threatened (WATCH Video)  

  A unique international study has debunked the popular view that Antarctica and the Southern Ocean are in much better ecological shape than the rest of the world. The study, published recently in PLOS Biology and involving an interdisciplinary group of 23 researchers, compared Antarctic biodiversity and its management with that of the rest of the world. The results show that, although the region is doing relatively well in some areas, such as invasive species management, it is la

2017-04-22 07:08:37
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11 

Extremely Rare Supernova Baffles Caltech Astronomers  

"I was baffled when I saw the initial data for iPTF16geu from the Palomar Observatory. It looked like a normal Type Ia supernova but it was much brighter than it should have been given its distance from us. The rapid follow up with more powerful facilities confirmed that we had stumbled upon an extremely interesting and rare event," says coauthor Mansi Kasliwal, an assistant professor of astronomy at Caltech. "The discovery of iPTF16geu is truly like finding a somewhat weird needle in a

2017-04-22 06:38:00
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26 

NASA's Search For Habitable Ecosystems --"Reverse Engineering Europa" (WATCH Today's 'Galaxy' Stream)  

    It could be at least 15 years before NASA lands a mission on Europa, one of Jupiter's moons, to search for signs of life beneath its icy crust. In the mean time, a team led by astrobiologist Kevin Hand of NASA's Jet Propulsion Laboratory is using ultra-chilled vacuum chambers to simulate what Europa's surface might be like. Their work will inform future missions and give scientists clues to how they might detect life on a faraway moon.  Image credit: Top of

2017-04-21 10:37:25
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13 

Cassini Spacecraft's Final Flyby This Weekend of Saturn's Titan --Search for "Magic Island"  

    NASA's Cassini spacecraft will make its final close flyby of Saturn's haze-enshrouded moon Titan this weekend. The flyby marks the mission's final opportunity for up-close observations of the lakes and seas of liquid hydrocarbons that spread across the moon's northern polar region, and the last chance to use its powerful radar to pierce the haze and make detailed images of the surface. Closest approach to Titan is planned for 11:08 p.m. PDT on April 21 (2:08 a.m. EDT April 2

2017-04-21 07:07:05
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14 




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