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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.



Why is NASA is Exploring an Alien World in Antarctica? (VIDEO/AUDIO)  

Mount Erebus is at the end of our world -- and offers a portal to another. Covered in ice and filled with bubbling lava, the massive volcano rising 12,448 feet (3,794 meters) above Ross Island in Antarctica is the perfect proxy for an alien world, which is why NASA's Aaron Curtis, who joined JPL's Extreme Environments Robotics Group in 2016, travels there to test space exploration robots. Most volcanoes have a deep central chamber of molten rock, but it's typically capped by cooled, soli

2017-02-19 08:38:33
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"Strange Signal" --Picked Up By NASA's Cassini Spacecraft at South Pole of Saturn's Enceladus Revealed Hidden Global Ocean (WATCH Today's "Galaxy" Stream)  

    The odd signal Cassini detected didn't reveal a frozen, airless body. Instead, it looked something like a comet that was actively emitting gas. The magnetometer detected that Saturn's magnetic field, which envelops Enceladus, was perturbed above the moon's south pole in a way that didn't make sense for an inactive world. Could it be that the moon was actively replenishing gases it was breathing into space? On Feb. 17, 2005, the Cassini Mission spacecraft's magnetometer instr

2017-02-19 07:08:22
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"Undiscovered Worlds" --NASA Needs Your Help Searching Space-Telescope Movies for Unknown Objects  

    NASA is inviting the public to help search for possible undiscovered worlds in the outer reaches of our solar system and in neighboring interstellar space. A new website, called Backyard Worlds: Planet 9, lets everyone participate in the search by viewing brief movies made from images captured by NASA's Wide-field Infrared Survey Explorer (WISE) mission. The movies highlight objects that have gradually moved across the sky. "There are just over four light-years between Neptu

2017-02-18 13:07:33
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This Week's Top NASA & Space News --From ET Signals Hint at Another Universe to Hubble's Heroic Future  

    ET Signals from the Milky Way --"We've Missed Signals We Were Totally Unaware Of" (VIDEO) "Alien Life on Earth" --NASA Announces Discovery of Bizarre 50,000 Year-Old Life Trapped in Crystals in a Cave System--"Both a Fairyland and Hell" (VIDEO) "Zealandia" --Evidence Emerges for an Eighth "Lost Continent" We Didn't Know Existed  NASA: Organic Molecules Discovered on Dwarf Planet Ceres --"The First Clear Detection" (VIDEO) "The Pale Orange Dot" --NASA Looks at Earl

2017-02-18 09:12:09
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"Alien Life on Earth" --NASA Announces Discovery of Bizarre 50,000 Year-Old Life Trapped in a Crystal Cave System--"Both Fairyland and Hell" (VIDEO)  

      We live on an alien world. There's an entire hidden part of planet beneath the surface that we don't think about. Earth's rock fracture habitat goes down to 5 kilometers, maybe down to 10, and is thoroughly infested with life forms that are dramatically different from the stuff on the surface. So different, in fact, that NASA uses these extreme lifeforms as a guide to its exploration of other worlds in the solar system. Surface life has photosynthesis, but subsur...

2017-02-18 07:34:38
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"Zealandia" --Evidence Emerges for an Eighth "Lost Continent" We Didn't Know Existed (VIDEO)  

    Earth may have a continent we didn't even know existed, scientists say. "If the elevation of Earth's solid surface had first been mapped in the same way as those of Mars and Venus - which lack the arbitrary datums of opaque liquid oceans - we contend that Zealandia would, much earlier, have been investigated and identified as one of Earth's continents," according to geological scientists in a report by the BBC. The team of geologists have argued in the research that New Zeal

2017-02-17 09:04:00
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ET Signals from the Milky Way --"We've Missed Signals We Were Totally Unaware Of" (VIEW Today's "Galaxy" Stream)  

    "Do you think that we've missed signals along the way?" SyFyWire's Don Kaye asked SETI Institute's chief astronomer, Seth Shostak during a recent interview. "That we're totally unaware of. That there are possibly signals that are being transmitted in such a way that we're too primitive to pick them up? "Well, I don't know if we're too primitive," Shostak answered, "but I agree with you. I'm sure we've missed signals. I'm sure there's signals coming from somebody that we're t

2017-02-17 07:04:19
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NASA: Organic Molecules Discovered on Dwarf Planet Ceres --"The First Clear Detection" (VIDEO)  

    "This is the first clear detection of organic molecules from orbit on a main belt body," said Maria Cristina De Sanctis, lead author of the NASA study, based at the National Institute of Astrophysics, Rome. "This discovery adds to our understanding of the possible origins of water and organics on Earth," added Julie Castillo-Rogez, Dawn project scientist based at NASA's Jet Propulsion Laboratory. Data presented in the Science paper support the idea that the organic materials

2017-02-17 03:00:00
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StarTalk Radio --Astronomer and "Cosmos" Host Neil deGrasse Tyson Turns a Scientific Eye on UFOs (LISTEN)  

"Keep Looking Up" has an investigative meaning this episode as Neil deGrasse Tyson and Eugene Mirman turn a scientific eye towards Unidentified Flying Objects. Discover what objects and occurrences are most mistaken as UFOs. Find out why Neil wouldn't want to meet an alien who had crash-landed. Eugene offers aliens advice on how to camouflage their ships in order to blend in on Earth. SETI Senior Astronomer Seth Shostak calls in to put science behind the numerous claims of alien vi...

2017-02-16 09:56:31
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"The Pale Orange Dot" --NASA Looks at Early Earth as an Alien Planet  

"We like to say that Archean Earth is the most alien planet we have geochemical data for," said Giada Arney of NASA's Goddard Spaceflight Center, and a member of the NASA Astrobiology Institute's Virtual Planetary Laboratory based at the University of Washington, Seattle. For astronomers trying to understand which distant planets might have habitable conditions, the role of atmospheric haze has been hazy. To help sort it out, a team of researchers has been looking to Earth - sp...

2017-02-16 09:00:40
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Colossal Galaxy in Center of Phoenix Cluster Creating 1,000 New Stars a Year --Fed By Its Supermassive Black Hole (VIDEO Tour)  

    The Phoenix cluster is an enormous accumulation of about 1,000 galaxies, located 5.7 billion light years from Earth. At its center lies a massive galaxy, which appears to be spitting out stars at a rate of about 1,000 per year. Most other galaxies in the universe are far less productive, squeaking out just a few stars each year, and scientists have wondered what has fueled the Phoenix cluster's extreme stellar output.The new findings help explain the cluster's exceptional sta

2017-02-16 07:43:38
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Great Space Observatories of the Future --PBS Space Time Video  

      A 3D projection below of almost 300 galaxies in the census in the same part of the sky. The third dimension shows how many billions of years back in time we are seeing each galaxy, determined by observations from the Keck Observatory. At top are images from the Hubble Space Telescope of five galaxies in the census. (ESA-C. Carreau)       Related articles "The Galaxy at the Beginning of the Universe" --Only 670 Million Years After Big Bang

2017-02-16 06:47:13
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Earth's Most Profound Climate Change Occurring in the Oceans --"Drastic Loss of Oxygen"  

    Oxygen is an essential necessity of life on land. The same applies for almost all organisms in the ocean. However, the oxygen supply in the oceans is threatened by global warming in two ways: Warmer surface waters take up less oxygen than colder waters. In addition, warmer water stabilizes the stratification of the ocean, weakening the circulation connecting the surface with the deep ocean and less oxygen is transported into the deep sea. The first global evaluation of millio

2017-02-16 03:00:00
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"Are We Alone" --In a Newly Found 1939 Essay Winston Churchill "Outlines Possibility of Alien Life and Exoplanet Habitable Zones"  

    A newly unearthed essay, "Are We Alone in the Universe," by Winston Churchill reveals he was open to the possibility of life on other planets. In 1939, a year following the radio broadcast of Ortson Welles' War of the Worlds  with World War 11 breaking out, Churchill discussed the concept of habitable zones more than 50 years before the discovery of exoplanets. Churchill's thinking mirrors many modern arguments in astrobiology and builds on the Copernican Principl

2017-02-15 15:00:55
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Mysteries of Earth's Magnetic Field Revealed in Ancient Judean Jars --"Fluctuated Violently in Past Without Ending Life on Our Planet"  

  The behavior of the Earth's magnetic field that emanates from the planet's deep interior but extends far out into space and has existed for more than three and a half billion years but fluctuates daily, is one of the most enigmatic topics in physics. But now, clues can be found by detecting its intangible and mostly invisible behavior in the past, in geology and archaeological artifacts," says Dr. Erez Ben-Yosef of Tel Aviv University. Since 1990, the magnetic North Pole has migrat

2017-02-15 08:06:16
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Space X Founder Elon Musk --"We'll Evolve as a Merger of Biological and Digital Intelligence" (VIDEO)  

    Human beings are in danger of being eclipsed by artificial intelligence and need to evolve the ability to communicate directly with machines or risk irrelevance, says Elon Musk who believes the human mind needs to evolve to be able to access information quickly and tap into artificial intelligence. "Over time I think we will probably see a closer merger of biological intelligence and digital intelligence," Musk told an audience at the World Government Summit in Dubai, where...

2017-02-15 03:00:00
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NASA's Hubble Telescope Observes a Comet 100,000-Times Larger Than Halley's  

    A team of astronomers in Garching, Germany, discovered a comet-like object in a distant galaxy 170 light-years from Earth that is similar in composition to the famed Halley's comet — however, this one is about 100,000 times bigger. New Hubble Space Telescope findings are evidence for a belt of comet-like bodies orbiting the white dwarf, similar to our solar system's Kuiper Belt.   The international team of astronomers observed the white dwarf WD 1425+540 in the ...

2017-02-14 08:47:30
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"One Hundred New Alien Planets!" --Including One Orbiting the 4th Closest Star to Our Sun  

    An international team of astronomers released the largest-ever compilation of exoplanet-detecting observations made using a technique called the radial velocity method. They demonstrated how these observations can be used to hunt for planets by detecting more than 100 potential exoplanets. One of these probable planets is around a star called GJ 411, also known as Lalande 21185, the fourth-closest star to our own Sun and is only about 40 percent the mass of the Sun. The plan

2017-02-14 08:17:10
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Pulsing Stars Reveal Orbiting Planets --"The Link Is a Mystery That Can't Be Explained"  

    "We thought that planets cannot really excite their stars, but we find that this one does," says Julien de Wit, a postdoc in MIT's Department of Earth, Atmospheric and Planetary Sciences. "There is a physical link between the two, but at this stage, we actually can't explain it. So these are mysterious pulsations induced by the star's companion." For the first time, astronomers from MIT and elsewhere have observed a star pulsing in response to its orbiting planet. The star,

2017-02-14 07:17:36
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"Hubble's Heroic Future" --Trump White House Mulls Sending a Manned Spacecraft to Upgrade the Space Telescope (VIDEO)  

President Trump's advisers are considering an industry proposal to send a manned spacecraft to link up with NASA's pioneering orbiting telescope — comparable to five earlier repair missions by the now-retired space shuttle fleet stretching back to 1993. The mission meets the Trump team's guiding principle on dramatic but relatively inexpensive space projects that can be easily understood by average Americans. According to a Wall Street Journal report, the servicing would prov...

2017-02-13 21:19:17
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LIGO's Gravitational Waves May Point to a Universe Beyond --"Might Exist Alongside Our Own"  

    "Fifteen years ago, when you talked about the multiverse, the attitude of many physicists was just ridicule," says Alexander Vilenkin, professor of physics and director of the Institute of Cosmology at Tufts University. "But there has been a great change in attitude." The concept of a multiverse is controversial and, at times, contentious. Today, many scientists are understandably skeptical. A few even reject the notion. But for others like Vilenkin, the arguments f...

2017-02-13 09:53:42
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LIGO's Gravitational Waves May Point to a Universe Beyond  

    "Fifteen years ago, when you talked about the multiverse, the attitude of many physicists was just ridicule," says Alexander Vilenkin, professor of physics and director of the Institute of Cosmology at Tufts University. "But there has been a great change in attitude." The concept of a multiverse is controversial and, at times, contentious. Today, many scientists are understandably skeptical. A few even reject the notion. But for others like Vilenkin, the arguments f...

2017-02-13 09:53:42
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"GENIUS" --WATCH Sneek Preview of New National Geographic Series on Albert Einstein  

Here's a sneak peek at Academy Award-winning actor Geoffrey Rush and newcomer Johnny Flynn as Nobel Prize-winning physicist Albert Einstein, in National Geographic's global event series GENIUS, coming in April. From Executive Producers Brian Grazer and Ron Howard, the premiere season of National Geographic's first scripted anthology series, GENIUS, will focus on Nobel Prize-winning physicist Albert Einstein. Based on Walter Isaacson's critically acclaimed and best-selling ...

2017-02-13 07:42:20
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Androids of the Future --"Will Dream of Quantum Sheep"  

    "Humans have long been fascinated with the idea of replicating nature through machines, from Leonardo da Vinci's famous mechanical knight to speculative fiction of future androids like Philip K. Dick's 'Do Androids Dream of Electric Sheep' that inspired the Blade Runner film," says Mile Gu, at the Center for Quantum Technologies, Singapore. "Perhaps androids in the future, engineered by an advanced civilization obsessed with efficiency, will instead dream of quantum sheep."

2017-02-13 03:00:00
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NASA: "How Will We Recognize Alien Life in the Universe?" (Weekend Feature)  

    NASA's scientists are grappling with a profound question - if we were ever to find alien life in the universe, how would we know? Whatever's out there might be really strange, unrecognizable. When a robotic probe finally lands on a water world like Jupiter's moon Europa, what do scientists have to see to definitively say whether the place has any life? That's the question retired astronaut John Grunsfeld (shown in 2002 in the space shuttle Columbia's cargo bay below) posed t

2017-02-12 09:44:10
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LISTEN: "From the Arctic to Saturn's Enceladus --Researchers Discover Unusual Ice"  

With the Arctic's annual summer ice cover hovering at record lows; and a new record low in global sea ice coverage recorded earlier this year; and a large crack threatening the collapse of a large ice shelf in Antarctica, it can feel like the news about earth's polar ice caps is all bad. LISTEN HERE to NPR SCIENCE FRIDAY: From the Arctic to Enceladus: A Celebration of Unusual Ice But for researchers who spend time in the frigid polar seas, ice is also a beautiful and un...

2017-02-12 07:51:26
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White-Dwarf Solar System Discovered That Mirrors Ours --"Rich in Life's Building Blocks"  

"Now we're seeing in a planetary system outside our solar system that there are minor planets where water, nitrogen and carbon are present in abundance, as in our solar system's Kuiper belt," said Siyi Xu, a postdoctoral scholar at the European Southern Observatory in Germany who earned her doctorate at UCLA. "If Earth obtained its water, nitrogen and carbon from the impact of such objects, then rocky planets in other planetary systems could also obtain their water, nitrogen and carbon t

2017-02-12 07:21:50
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NASA Plans 1st Robotic Mission to Search for Life on Jupiter's Ocean Moon, Europa --Will Defy Arthur C. Clark's Warning: "Attempt No Landing There" (VIDEO)  

  "First, perhaps, it might be best to understand why anyone would want to land on Europa at all. Europa - the second of Jupiter's four large satellites - is clearly a special place," says Caltech's Mike Brown, the Richard and Barbara Rosenberg Professor of Planetary Astronomy. "Ever since the time of the Galileo spacecraft nearly two decades ago, we have recognized that Europa's fresh icy surface (shown above), covered with cracks and ridges and transform faults, is the exter...

2017-02-11 08:59:04
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Human Brain's Biological Algorithm Mirrors the Internet --"May Not Be a Coincidence" (VIDEO)  

  In 2013, Neuroscientist Christof Koch, chief scientific officer at the Allen Institute for Brain Science, observed that consciousness arises within any sufficiently complex, information-processing system. All animals, from humans on down to earthworms, are conscious; even the internet could be. Why? Because that's the way the universe works. "The electric charge of an electron doesn't arise out of more elemental properties. It simply has a charge," says Koch. "Likewise, I...

2017-02-11 07:53:34
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NASA Kepler Mission Astronomer Warns: "Extraterrestrial Contact Could End Life on Earth" (VIDEO)  

    If technologically-advanced alien civilizations are indeed out there, would they be friendly explorers, or destroyers of worlds? According to prominent astrophysicist Lucianne Walkowicz, who works on NASA's Kepler mission, making contact could be catastrophic for the human race: "There's a possibility that if we actively message, with the intention of getting the attention of an intelligent civilization, that the civilization we contact would not necessarily have our best int

2017-02-10 15:53:55
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NASA Kepler Mission Astronomer Warns: "Advanced Extraterrestrial Contact Could End Life on Earth" (VIDEO)  

    If technologically-advanced alien civilizations are indeed out there, would they be friendly explorers, or destroyers of worlds? According to prominent astrophysicist Lucianne Walkowicz, who works on NASA's Kepler mission, making contact could be catastrophic for the human race: "There's a possibility that if we actively message, with the intention of getting the attention of an intelligent civilization, that the civilization we contact would not necessarily have our best int

2017-02-10 15:53:55
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China's 2018 Chang'e-4 Rover --First Probe to Explore Mysteries of the Moon's Far Side (VIDEO)  

Among the unexplored mysteries of the lunar far side is a giant mound near the south pole that appears to be a volcanic structure unlike any other found on the Moon's surface. The formation, known as Mafic Mound, stands about 800 meters (2,600 feet) tall and 75 kilometers (47 miles) across, smack in the middle of a giant impact crater known as the South Pole-Aitken Basin, largest known impact crater in the solar system, nearly 2,500 kilometers wide and 13 kilometers deep. A new st

2017-02-09 20:11:10
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Spectacular Star Cluster Reveals Elusive Black Holes --"Hidden Inside a 12-Billion-Year Old Globular Cluster" (VIDEO)  

  Astronomers at the Harvard-Smithsonian Center for Astrophysics say they have evidence for the existence of a medium-sized black hole with a mass of about 2,200 suns at the heart of 47 Tucanae, a 12-billion-year-old ball of of thousands of stars located in the constellation of Tucana, after the South American bird. The globular cluster is the second-brightest of its kind in the night sky, and can be seen from Earth without a telescope. All known black holes fall into two categories:

2017-02-09 07:57:16
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New Galaxies Discovered at the Edge of the Observable Universe --"Ten Times More Faint Than Any Prior"  

Astronomers have developed a new technique to discover the faintest galaxies yet seen in the early universe —10 times fainter than any previously seen. These galaxies will help astronomers probe a little-understood, but important period in cosmic history. Their new technique helps probe the time a billion years after the Big Bang, when the early, dark universe was flooded with light from the first galaxies. Rachael Livermore and Steven Finkelstein of the UT Austin Astronomy Department...

2017-02-09 06:59:18
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NASA Redefines Life Zones for Alien Planets --"Nixes Earth-Sized Planet of Our Closest Neighbor Red Dwarf Star Proxima Centauri"  

  "If we want to find an exoplanet that can develop and sustain life, we must figure out which stars make the best parents," said Vladimir Airapetian, lead author of the paper and a solar scientist at NASA's Goddard Space Flight Center. "We're coming closer to understanding what kind of parent stars we need." The new habitability model has implications for the recently discovered planet orbiting the red dwarf Proxima Centauri, our nearest stellar neighbor. Airapetian and his team app

2017-02-08 08:51:22
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MIT Scientists: Cosmos Aligns to Show "Einstein Out of Whack" With Quantum Reality (VIDEO)  

    Quantum entanglement may appear to be closer to science fiction than anything in our physical reality. But according to the laws of quantum mechanics — a branch of physics that describes the world at the scale of atoms and subatomic particles — quantum entanglement, which Einstein once skeptically viewed as "spooky action at a distance," is, in fact, real. Imagine two specks of dust at opposite ends of the universe, separated by several billion light years. Quantum t...

2017-02-08 07:42:13
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White-Dwarf Pulsar First Ever Discovered --"Electromagnetic Field is One Billion Times More Powerful than Earth's"  

An exotic binary star system 380 light-years away has been identified as an elusive white dwarf pulsar - the first of its kind ever to be discovered in the universe. The white dwarf pulsar has eluded astronomers for over half a century. AR Sco contains a rapidly spinning, burnt-out stellar remnant called a white dwarf, with an electromagnetic field 100 million times more powerful than Earth, which lashes its neighbor - a red dwarf - with powerful beams of electrical particles and radi...

2017-02-07 08:46:21
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Sun's Powerful Outburst in 5480 BC --"Most Abrupt Ever"  

    An international team led by researchers at Nagoya University, along with US and Swiss colleagues, has identified a new type of solar event and dated it to the year 5480 BC; they did this by measuring carbon-14 levels in tree rings, which reflect the effects of cosmic radiation on the atmosphere at the time. They have also proposed causes of this event, extending our knowledge of how the sun behaves. When the activity of the sun changes, it has direct effects on the earth. F

2017-02-07 07:33:39
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NASA: A Strange, Strong Signal From Deep Inside the Milky Way --"May Reveal the Dark Side of Our Universe" (VIDEO)  

    NASA's Chandra X-Ray Observatory has observed very strange and distinctive X-ray signal coming from our Milky Way Galaxy that researchers believe can help them in proving the existence of the mysterious dark side of the universe. That is the claim of US scientists who analyzed the energy spectrum of X-rays gathered by Nasa's Chandra satellite who found more X-ray photons with a particular energy than would be expected if they were generated by the decay of dark matter part...

2017-02-07 04:00:00
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Monster Mars Volcano Erupted Continuously for Two-Billion Years --"Unlike Anything Ever Seen on Earth"  

    An unusual meteorite found in Algeria in 2012 has given scientists information about volcanic activity on Mars, and it's not like anything we've ever seen on Earth. Analysis of the 6.9-ounce meteorite by an international team of scientists, has helped determine that sometime in its 4.5 billion-year history, Mars had a single volcano that erupted continuously for more than 2 billion years. "Between Antarctica and other deserts we add more than 1,000 meteorites per year, but o

2017-02-06 10:27:42
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New Supermassive Black Hole Observation --Reveals How They Were Able to Grow a Billion Times Larger Than Sun  

    Astronomers have concluded that supermassive black holes can grow, from tidal disruption events (TDEs) and perhaps other means, at rates above those corresponding to the Eddington limit has important implications. Such rapid growth may help explain how supermassive black holes were able to reach masses about a billion times higher than the sun when the universe was only about a billion years old. A giant black hole ripped apart a nearby star and then continued to feed off it

2017-02-06 10:01:30
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BBC's "Planet Earth 11" Via Snapchat February 17th (VIEW VIDEO)  

Snap and the BBC are bringing six exclusive episodes of Planet Earth II to Snapchat, including Islands, Mountains, Jungles, Deserts, Grasslands, and Cities — and exclusive footage not seen on TV. The short run of mobile episodes will debut on February 17th, one day before the full series runs on BBC America. (Planet Earth II aired on BBC in late 2016.) Two of the big draws of Planet Earth II will be missing on Snapchat. The episodes won't feature Sir David Attenborough (act...

2017-02-06 09:24:15
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"New Face of Exploration" --Drone's-Eye View Inside a Live Volcano (Today's "Galaxy" Stream)  

In 2015, filmmaker Sam Cossman took a team the edge of Ambrym Volcano's Marum Crater located along the Ring of Fire in the Vanuatu Archipelago in the South Pacific Ocean, home to one of only seven permanent lava lakes in the world to 3D map its 7.5-mile-wide (12-kilometer) caldera and the spectacular lava lake at its core. As expedition leader, he assembled an all-star team—including climber and photographer Brad Ambrose, videographer Conor Toumarkine, drone expert Simon Jardine, and...

2017-02-06 08:03:25
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Elliptical Galaxy Observed Ten Times Size of Milky Way --"An Ancient Prodigious Star Factory"  

Galaxies today fall roughly into two categories: elliptically-shaped collections of reddish, old stars that formed predominantly during a period early in the history of the universe, and spiral shaped objects dominated by blue, young stars. The Milky Way is an example of the latter, a spiral galaxy actively making new stars. Ellipticals are smooth and featureless, containing hundreds of millions to trillions of stars, they range from nearly spherical to very elongated shapes. Their over

2017-02-06 07:05:10
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"Faster Than the Speed of Light?" --(VIEW Today's "Galaxy" Stream)  

    "The idea that the speed of light could be variable was radical when first proposed, but with a numerical prediction, it becomes something physicists can actually test," said professor João Magueijo at the Imperial College London. "If true, it would mean that the laws of nature were not always the same as they are today." In 2011,  CERN's OPERA team had timed neutrinos fired through Earth from the European particle physics laboratory, CERN, near Geneva, Switzerlan...

2017-02-05 08:16:17
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Today's Moment of Zen --The Proxima Mission Aboard the ISS (VIDEO)  

    On 17 November 2016 ESA astronaut Thomas Pesquet, NASA astronaut Peggy Whitson and Roscosmos commander Oleg Novitsky blasted into space from the Baikonur cosmodrome in Kazakhstan aboard their Soyuz MS-03 spacecraft safely heading towards the International Space Station for docking. French musician Yuksek's 'Live Alone' video has just launched this morning on the European Space Agency website and features previously unseen footage from Pesquet's current Proxima space m...

2017-02-04 10:59:34
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NASA --"Space Flight Changes Structure of the Human Brain" (VIDEO)  

    "For decades, scientists working with astronauts have known that spaceflight has an effect on neurological systems," said Mill Reschke, chief scientist for NASA Neuroscience. "Scientists also have believed the changes we observe in spatial orientation, balance and disturbances in the control of eye movements needed to maintain clear vision when the head is moved must be the result of structural changes in the brain." A study by researchers from the University of Michig...

2017-02-04 10:03:35
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Red Giant Relic Observed --"The Violent Death of a Twin of Our Sun"  

The Calabash Nebula, pictured above taken by the NASA/ESA Hubble Space Telescope is a spectacular example of the death of a low-mass star like the sun. This image taken by the NASA/ESA Hubble Space Telescope shows the star going through a rapid transformation from a red giant to a planetary nebula, during which it blows its outer layers of gas and dust out into the surrounding space. The recently ejected material is spat out in opposite directions with immense speed -- the gas shown in y

2017-02-04 08:38:28
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This Week's Top NASA & Space News --Discovery of a "Lost Continent" to Sun's Hidden Flares  

    "Hidden Monster" Detected at Edge of an Ancient Supernova --"100 Million to One Billion Black Holes in Milky Way" (VIDEO) NASA: "The Death of a Planet" --Venus Had an Ocean and Habitable Surface Temperatures for Two Billion Years (VIDEO) NASA: Earth's Last Full Magnetic-Pole Reversal Occurred 780,000 Years Ago --"We Are Over Due" (VIDEO) Existence of 'Lost Continent' Under Indian Ocean Confirmed --"Remnant of the Primeval SuperContinent Gondwana" "The Great Repeller"--P

2017-02-04 07:55:08
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"Myth Buster" --Was There a Link Between the Great Bombardment and Earth's Rise in Biodiversity? (VIDEO)  

  Some 470 million years ago, during the middle part of the geological period known as the Ordovician, an asteroid collision took place somewhere between Mars and Jupiter. The collision caused an explosion that sent a cascade of meteorites towards Earth. The heavy bombardment of Earth continued for millions of years, and even today some 20% of all meteorites that reach Earth originate from this asteroid break-up. At the same time the Earth witnessed the greatest rise in marine biodiv

2017-02-03 07:41:52
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"Hidden Monster" Detected at Edge of an Ancient Supernova --"100 Million to One Billion Black Holes in Milky Way" (VIDEO)  

    It is difficult to find black holes, because they are completely black. In some cases black holes cause effects which can be seen. For example if a black hole has a companion star, gas streaming into the black hole piles up around it and forms a disk. The disk heats up due to the enormous gravitational pull by the black hole and emits intense radiation. But if a black hole is floating alone in space, no emissions would be observable coming from it. Theoretical studies have p

2017-02-02 08:15:40
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NASA: "The Death of a Planet" --Venus Had an Ocean and Habitable Surface Temperatures for Two Billion Years (VIDEO)  

"These results show ancient Venus may have been a very different place than it is today," siad Michael Way, a researcher at NASA's Goddard Institute for Space Studies (GISS) in New York. Venus today is a hellish world. It has a crushing carbon dioxide atmosphere 90 times as thick as Earth's. There is almost no water vapor. Temperatures reach 864 degrees Fahrenheit (462 degrees Celsius) at its surface. Venus may have had a shallow liquid-water ocean and habitable surface temperatu...

2017-02-02 07:32:15
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Daily Galaxy Twitter Followers Soar Above 380,000  

    Join the 389,000 Daily Galaxy fans around the world who follow us via their Twitter page. Our followers include many of the planet's leading astronomers and scientists, astronauts, space observatories, news organizations, universities and governmental space organizations such as NASA, JPL, Goddard Space Flight Center, ESO, SETI, Harvard-Smithsonian Center for Astrophysics (CfA) and Royal Astronomy Society members. Follow us daily at twitter.com/dailygalaxy 

2017-02-02 03:00:00
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2 

Antarctica Neutrino Observatory --"May Point Beyond Higgs Boson to a New Physics"  

"As physicists, we hoped the Higgs boson would point us to the physics that lies beyond the Standard Model; unfortunately, our measurements of the Higgs haven't turned up many clues," said Tyce DeYoung, Michigan State University associate professor of physics and astronomy."So we hope we may find something by studying neutrinos. IceCube detects neutrinos with a wider range of energies and distances than other experiments, so we cast a wide net." Trillions of neutrinos, or ghost particle

2017-02-01 07:36:41
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6 

NASA: Earth's Last Full Magnetic-Pole Reversal Occurred 780,000 Years Ago --"We Are Over Due" (VIDEO)  

    The Earth's continuously changing magnetic field surrounds the planet like an invisible force field - deflecting highly charged solar particles. Reversals are the rule, not the exception. Earth has settled in the last 20 million years into a pattern of a pole reversal about every 200,000 to 300,000 years, although it has been more than twice that long since the last reversal, the Brunhes-Matuyama, that occurred around 780,000 years ago. A temporary reversal, the Laschamp ...

2017-02-01 06:11:10
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14 

Existence of 'Lost Continent' Under Indian Ocean Confirmed --"Remnant of the Primeval SuperContinent Gondwana"  

    Scientists have confirmed the existence of a "lost continent" under the Indian Ocean island of Mauritius (above) that was left-over by the break-up of the supercontinent, Gondwana, which started about 200 million years ago. The piece of crust, which was subsequently covered by young lava during volcanic eruptions on the island, seems to be a tiny piece of ancient continent, which broke off from the island of Madagascar, when Africa, India, Australia and Antarctica split up an

2017-01-31 08:54:11
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26 

Milky Way is Embedded in a Huge Halo of Stars --"That Travel Together Like Flocks of Birds"  

    A recent analysis of data for millions of stars from the Gaia space mission show that many stars in the halo that surrounds the Milky Way travel in groups..  Astronomers report their discovery today in the international journal Astronomy & Astrophysics. The Milky Way has likely formed in part from the merging of many smaller systems. How exactly that happened, is still a puzzle. Astronomers from the University of Groningen in the Netherlands and UC Riverside in the US,

2017-01-31 07:17:08
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6 

NASA: Hidden Flares on Far Side of the Sun Blasting Gamma Rays to Earth Near Speed of Light  

On three occasions, NASA's Fermi Gamma-ray Space Telescope has detected gamma rays from solar storms on the far side of the sun, emission the Earth-orbiting satellite shouldn't be able to detect. Particles accelerated by these eruptions somehow reach around to produce a gamma-ray glow on the side of the sun facing Earth. An international science team says NASA's Fermi Gamma-ray Space Telescope has observed high-energy light from solar eruptions located on the far side of the sun, which sho

2017-01-30 20:32:35
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25 

Cloud of Cosmic Dust that Formed Earth --"Traced to Giant Stars"  

  Scientists have identified the origin of key stardust grains present in the dust cloud from which the planets in our Solar System formed, a study suggests. The researchers solved a long-standing puzzle concerning the source of the grains, which formed long before our Solar System and can be recovered from meteorites that fall to Earth. The discovery was made by an international team at an underground laboratory in Italy. The Laboratory for Underground Nuclear Astrophysics - or LUNA

2017-01-30 15:17:48
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4 

"Oldest Known Human Ancestor" --Revealed by Discovery in Central China of Microscopic Sea Fossil   

  "To the naked eye, the fossils we studied look like tiny black grains, but under the microscope the level of detail was jaw-dropping, " Simon Conway Morris, from the University of Cambridge told BBC News. "We think that as an early deuterostome this may represent the primitive beginnings of a very diverse range of species, including ourselves. All deuterostomes had a common ancestor, and we think that is what we are looking at here." Fossilized traces discovered in Central China of

2017-01-30 12:14:36
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7 

"The Great Repeller"--Previously Unknown Region Void of Galaxies is Pushing the Milky Way at Hyperspeed (VIDEO)  

    Until now, scientists assumed that a dense region of the universe is pulling us toward it, in the same way that gravity made Newton's apple fall to earth. The initial "prime suspect" was called the Great Attractor, a region of a half dozen rich clusters of galaxies 150 million lightyears from the Milky Way. Soon after, attention was drawn to an area of more than two dozen rich clusters, called the Shapley Concentration (image above), which sits 600 million lightyears beyond t

2017-01-30 09:15:15
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21 

"Universe Could Be a Hologram" --Rosetta Stone That Opens the Uncharted World of Quantum Gravity (VIDEO)  

"The key to understanding quantum gravity is understanding field theory in one lower dimension," said Niayesh Afshordi, professor of physics and astronomy at the University of Waterloo. "Holography is like a Rosetta Stone, translating between known theories of quantum fields without gravity and the uncharted territory of quantum gravity itself." "We are proposing using this holographic universe, which is a very different model of the Big Bang than the popularly accepted one that relies o

2017-01-30 07:35:38
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9 

"Demon Haunted World" -- Carl Sagan Foresees Trump's USA in 1995 (Week's Most Popular/Video)  

    "The dumbing down of American is most evident in the slow decay of substantive content in the enormously influential media, the 30 second sound bites (now down to 10 seconds or less), lowest common denominator programming, credulous presentations on pseudoscience and superstition, but especially a kind of celebration of ignorance." "I have a foreboding of an America in my children's or grandchildren's time -- when the United States is a service and information economy;...

2017-01-29 07:51:00
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27 

ESA's "Moon Temple" -- Artist in Residence Designs Spiritual Center on Peaks of Eternal Light for Future Lunar Base (VIDEO)   

The European Space Agency (ESA) has been very vocal about its intentions to create a 3D printed base on the moon, and the Shackleton Crater is one location that has been pinpointed as a promising one for a future settlement because of its depth and darkness, which create what's known as a "cold trap" that may hold reserves of ice - meaning that it could serve as a source of water, oxygen and fuel. Meanwhile, its sunlit peaks provide an ideal location for living and working. Ne...

2017-01-28 09:30:59
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8 

This Week's Top NASA & Space News --"From Destination Mars to the New Quantum Cosmos"  

"Destination Mars" --Elon Musk and Trump Partnership May Signal NASA Shift: "Human's a Multi-Planet Species" (VIDEO) New Quantum View of the Cosmos --"Space Does Not Have an Independent Existence" Future of Legendary Arecibo Observatory Dims --Threatened By China's Next-Generation FAST Radio Telescope (VIDEO) Twitter@RogueNASA Goes Into White-House Orbit --"USA Scientists Launching Private Accounts to End-Run Trump Administration" Hubble Space Telescope Reveals New Estimate of Spee

2017-01-28 07:20:38
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22 

"The Biggest Mystery in Astrophysics Today" --Flashes from an Unknown Source Far Beyond the Milky Way (Today's "Galaxy" Stream)  

Perhaps the source "is a dwarf galaxy that contains a supermassive black hole, or is the nucleus of a disrupted galaxy or even just an isolated black hole," Heino Falcke, a radio astronomer and astroparticle physicist at Radboud University Nijmegen in the Netherlands told the LA Times about mystery milliseconds-long flashes detected by researchers at Cornell University and a global team. "Maybe the persistent source is something completely different - for example, an exploding star...

2017-01-27 08:18:32
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45 

ESO Shouts Out Progress On Earth's Most Powerful Telescope --"Unlock the Secrets of Alien Planets" (VIDEO)  

The construction of the 39-meter Extremely Large Telescope (ELT), the largest optical/near-infrared telescope in the world on target for first light in 2024, is moving forward. The giant telescope employs a complex five-mirror optical system that has never been used before and requires optical and mechanical elements that stretch modern technology to its limits. Contracts were signed for major components of the ELT for the casting of the telescope's giant secondary and tertiary mirrors...

2017-01-27 03:00:00
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13 

Twitter@RogueNASA Goes Into White-House Orbit --"USA Scientists Launching Private Accounts to End-Run Trump Administration"  

      Twitter is fast proving to be a two-edged social-media sword. Employees from NASA and more than a dozen other U.S. government agencies, according to Reuters, have established a network of unofficial "rogue" Twitter feeds to defy what they see as attempts by the Trump administration to bury federal climate change research and other science. Because the Twitter feeds were set up and posted to anonymously as private accounts, they are beyond the control of the governm

2017-01-26 10:23:29
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7 

The Purple Pulsar --"Strangest Object in the Milky Way?"  

NASA has observed a purple blob -a highly magnetized rotating pulsar- spinning through the Milky Way. The image was captured by the Chandra X-ray Observatory, a gliding telescope in Earth's orbit tasked with observing high emitting objects like this pulsar in the universe's hottest regions. The shape of their X-ray emission suggests there is a geometrical explanation for puzzling differences in behavior shown by some pulsars. Earth's atmosphere absorbs X-ray light, so Chandra must...

2017-01-26 09:49:32
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11 

Hubble Space Telescope Reveals New Estimate of Speed of Expansion of the Universe --"Hints at a New Physics"  

    The Hubble constant is crucial for modern astronomy as it can help to confirm or refute whether our picture of the Universe -- composed of dark energy, dark matter and normal matter -- is actually correct, or if we are missing something fundamental. By using three galaxies as giant gravitational lenses, an international group of astronomers using the NASA/ESA Hubble Space Telescope have made an independent measurement of how fast the Universe is expanding. The newly measured

2017-01-26 08:17:50
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15 

Future of Legendary Arecibo Observatory Dims --Threatened By China's Next-Generation FAST Radio Telescope (VIDEO)  

    The future of one of the Arecibo Observatory in Puerto Rico, the world's largest single-dish radio telescopes is in question after the U.S. National Science Foundation announced Wednesday it was accepting proposals from those interested in assuming operations. The observatory, the centerpiece of the epic science-fiction film Contact, has been threatened in recent years by bigger, more powerful telescopes in places like Chile and China, where officials recently unveiled the Fi

2017-01-26 07:35:48
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14 

The Chelíabinsk Effect --"Explosion of 18-Meter Asteroid Over Russia Spurs Deflection Research" (VIDEO)  

      On February 15, 2013, an asteroid with a diameter of approximately 18 meters exploded over the Russian town of Chelíabinsk producing thousands of meteorites which fell to Earth. The fragmentation of this object in the atmosphere exemplified that Earth's atmosphere acts as an efficient shield, even though more than a thousand meteorites, each with a total mass exceeding one ton hit the ground. Despite being a small asteroid, the shock wave it produced when penetratin...

2017-01-25 08:03:04
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30 

New Supernova Mystery --"Challenges Existing Theories"  

"We're made of star stuff," astronomer Carl Sagan famously said. Nuclear reactions that happened in ancient stars generated much of the material that makes up our bodies, our planet and our solar system. When stars explode in violent deaths called supernovae, those newly formed elements escape and spread out in the universe. One supernova in particular is challenging astronomers' models of how exploding stars distribute their elements. The supernova SN 2014C dramatically changed in appeara

2017-01-25 07:32:21
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29 

Antarctica South-Pole Telescope Detects Signal --"First Direct Evidence for Cosmic Inflation Following Big Bang"  

  "Detecting this signal is one of the most important goals in cosmology today," said John Kovac, of the Harvard-Smithsonian Center for Astrophysics, the leader of the BICEP2 collaboration. Researchers with the BICEP2 Collaboration today announced that their telescope in Antarctica has allowed them to collect what they believe is the first direct evidence for cosmic inflation, the cataclysmic event in which, in a fleeting fraction of a second following the Big Bang, the infant univer

2017-01-25 06:10:27
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38 

Carl Sagan's "Demon Haunted World" -- Foresees State of USA Today Back in 1995 (VIDEO)  

      "I have a foreboding of an America in my children's or grandchildren's time -- when the United States is a service and information economy; when nearly all the manufacturing industries have slipped away to other countries; when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or knowledgeably question those in authority; w...

2017-01-24 19:56:46
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24 

New Quantum View of the Cosmos --"Space Does Not Exist Independently"   

    "Physics has undergone many revolutions, especially with quantum mechanics, but the concept of space is still the same one that people used 2,300 years ago," says Laurent Freidel, a mathematical physicist with the Perimeter Institute for Theorectical Physics who made many notable contributions in the field of quantum gravity. Quantum spaces, Freidel says, are modular, which revisits the very notion of Euclidian space from the point of view of quantum mechanics. ...

2017-01-24 15:08:40
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21 

NASA/Goddard --Probes Great Mystery of Black Hole Creation at Big Bang (VIEW Today's "Galaxy" Stream)  

    All galaxies, including our own, exist within a vast sphere of black holes, says Alexander Kashlinsky, an astrophysicist at NASA Goddard. New studies are providing increasingly sensitive results, slowly shrinking the box of parameters where dark matter particles can hide. The failure to find them has led to renewed interest in studying how well primordial black holes -- black holes formed in the universe's first fraction of a second -- "could work as dark matter," accordin

2017-01-24 09:50:53
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35 

Mystery Meteorites Hit Earth 470 Million Years Ago --"Something So Far Unknown About Our Solar System"  

Researchers have discovered minerals from 43 meteorites that landed on Earth 470 million years ago. More than half of the mineral grains are from meteorites completely unknown or very rare in today's meteorite flow. These findings mean that we will probably need to revise our current understanding of the history and development of the solar system. The discovery confirms the hypothesis presented this summer when geology professor Birger Schmitz at Lund University in Sweden revealed that

2017-01-24 06:43:10
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28 

"Destination Mars" --Elon Musk and Trump Partnership May Signal NASA Shift: "Human's a Multi-Planet Species" (VIDEO)  

      Elon Musk, the founder of SpaceX and Tesla, has made two trips to Trump Tower and met with President Trump in the White House yesterday on his first full day in office. It appears they discussed a possible manned mission to Mars and public-private space partnerships, signaling a possible shifting of NASA's away from a focus on climate change. Musk and his team at SpaceX have the bold dream of colonizing Mars, and think they can launch the first human mission to

2017-01-23 09:19:43
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41 

Quantum Gravity --New Insights Revealed Into this Great Unsolved Mystery (VIDEO)  

      Cosmologists trying to understand how to unite the two pillars of modern science - quantum physics and gravity - have found a new way to make robust predictions about the effect of quantum fluctuations on primordial density waves, ripples in the fabric of space and time. Researchers from the University of Portsmouth have revealed quantum imprints left on cosmological structures in the very early Universe and shed light on what we may expect from a full quantum th...

2017-01-23 06:50:37
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8 

"Breakthrough?" --Magnetic Fields May Reveal Evidence of Dark Matter   

  Dark matter is needed to explain the motions of galaxies and some of the current theories of galaxy formation and evolution. For example, the galaxy that contains our solar system, the Milky Way, seems to be enveloped by a much larger halo of dark matter. Its halo is quite different from the one we draw behind angels; it is actually invisible, but its existence is inferred through its effects on the motions of stars and gases. Scientists at the Center for Axion and Precision Physic

2017-01-23 03:00:00
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28 

Week's Top NASA & Space News --From Black Hole That Created the Cosmos to Mars' Fossil Finder  

    "The Black Hole That Gave Birth to the Universe" Beyond Fermi's Paradox--Where Did All the Aliens Go?" --Today's "Galaxy" Stream (VIDEO) China's 1st Hack-Proof Quantum Satellite: "Now Operational" --Launches a New World "Ten Times More Powerful than Hubble!" --Chile's Giant Magellan Telescope Will Search for Earth 2.0 (Today's "Galaxy" Stream) NASA's 2020 Mars Mission 'Fossil Finder' --"Doubles Down on Search for Life With Alien Biochemistry" (Today's "Galaxy" Stream)

2017-01-22 08:14:08
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83 

China's 1st Hack-Proof Quantum Satellite: "Now Operational" --Launches a New World   

The world's first quantum communication satellite, callled Mozi, the 600+kg Quantum Experiments at Space Scale (QUESS), nicknamed Micius after the ancient Chinese philosopher and scientist, is now officially operational following months of in-orbit testing, the Chinese Academy of Sciences (CAS) announced, saying that performance of the device is "much better" than was initially expected. The state-of-the art satellite was launched into orbit by in August, to provide "hack-proof...

2017-01-21 11:05:27
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42 

Anonymous Hacking Collective Tweets Warning to Trump Administration --"Going to Regret Next Four Years" (A "Galaxy" CyberWorld Alert)  

    [This is the first of new  Daily Galaxy coverage on news of space-based and terrestrial cyber warfare] The hacker and activist collective Anonymous has warned Donald Trump that he is going to "regret" the next four years in response to Trump's tweet suggesting that outgoing CIA Director John Brennan may have been the leaker of what Trump called "fake news" — the revelation of an unsubstantiated report by a former British spy, Christopher Steele, that claims ...

2017-01-21 03:00:00
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54 

Beyond Fermi's Paradox--Where Did All the Aliens Go?" --Today's "Galaxy" Stream (VIDEO)  

    The Fermi paradox is the apparent contradiction between high estimates of the probability of the existence of extraterrestrial civilizations and the lack of evidence for, or contact with, such civilizations. As Enrico Fermi asked if the Universe is conducive to intelligent life, "Where is everybody?" SETI Institute's chief astronomer, Seth Shostak, provides a brilliant and engaging perspective on the Fermi paradox. The image above is from  Arrival --hailed as a new...

2017-01-20 12:04:46
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57 

14 Lightyears Away: Wolf Exoplanet System --"A Venus or an Earth?"  

    Is there anybody out there? The question of whether Earthlings are alone in the universe has puzzled everyone from biologists and physicists to philosophers and filmmakers. It's also the driving force behind San Francisco State University astronomer Stephen Kane's research into exoplanets. As one of the world's leading "planet hunters," Kane focuses on finding "habitable zones," areas where water could exist in a liquid state on a planet's surface if there's sufficient atmos

2017-01-20 07:15:45
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48 

EcoAlert --NASA Scientists Confirm 2016 "Earth's Hottest in Modern Record" (VIDEO)  

    Earth's 2016 surface temperatures were the warmest since modern record keeping began in 1880, according to independent analyses by NASA and the National Oceanic and Atmospheric Administration (NOAA). NASA and NOAA released independent analyses of global temperatures that each came to the same conclusion: 2016 is very likely the hottest year on record, followed by 2015 and then 2014. Globally-averaged temperatures in 2016 were 1.78 degrees Fahrenheit (0.99 degrees Celsius) wa

2017-01-20 06:48:30
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39 

Juno Mission Explores Jupiter's Awesome Mysteries (Today's "Galaxy" Stream)  

      On July 4th, NASA Television aired live coverage of the solar-powered Juno spacecraft's arrival at Jupiter after an almost five-year journey. Juno is the first spacecraft to orbit the poles of our solar system's most massive planet. It will circle the Jovian world 37 times during 20 months, skimming to within 3,100 miles (5,000 kilometers) above the cloud tops, providing new answers to ongoing mysteries about the planet's core, composition and magnetic fields....

2017-01-19 08:52:11
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53 

NASA: Colossal Cosmic Particle Accelerator Discovered --"Largest and Most Powerful in the Universe"  

Astronomers have discovered a cosmic one-two punch unlike any ever seen before. Two of the most powerful phenomena in the Universe, a supermassive black hole, and the collision of giant galaxy clusters, have combined to create a stupendous cosmic particle accelerator. By combining data from NASA's Chandra X-ray Observatory, the Giant Metrewave Radio Telescope (GMRT) in India, the NSF's Karl G. Jansky Very Large Array, and other telescopes, researchers have found out what happens when

2017-01-19 08:18:24
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19 

NASA: Cosmic Particle Accelerator Discovered --"Largest and Most Powerful in the Universe"  

Astronomers have discovered a cosmic one-two punch unlike any ever seen before. Two of the most powerful phenomena in the Universe, a supermassive black hole, and the collision of giant galaxy clusters, have combined to create a stupendous cosmic particle accelerator. By combining data from NASA's Chandra X-ray Observatory, the Giant Metrewave Radio Telescope (GMRT) in India, the NSF's Karl G. Jansky Very Large Array, and other telescopes, researchers have found out what happens when

2017-01-19 08:18:24
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11 

"Hacking the Cosmos" --China Completing World's First ExaScale Supercomputer  

China is moving quickly to solidify its lead in the world's digital arms race. Last year, the country unveiled the world's fastest supercomputer, the Sunway TaihuLight (above). This year, according to state news agency Xinhua, the government has set its sights on completing the world's first prototype exascale computer; a machine capable of making a billion, billion calculations per second. "At 1,000,000,000,000,000,000 calculations per second, exascale supercomputers will be able...

2017-01-19 07:23:35
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18 

"Ten Times More Powerful than Hubble!" --Chile's Giant Magellan Telescope Will Search for Earth 2.0 (Today's "Galaxy" Stream)  

    "We're seeking to make the most sensitive instrument in the history of mankind," said Andrew Szentgyorgyi, associate director of the solar, stellar, and planetary sciences division at the Harvard-Smithsonian Center for Astrophysics. "We're looking to find Earth 2.0." On a remote mountain top in Chile's Atacama Desert, one of a new class of what are called "extremely large telescopes" known as the GMT, has been under construction since 2015, and is poised to b...

2017-01-18 08:26:59
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37 

Recycling the Planet --"Heat from Earth's Core Drives Plate Dynamics"  

For decades, scientists have theorized that the movement of Earth's tectonic plates is driven largely by negative buoyancy created as they cool. New research, however, shows plate dynamics are driven significantly by the additional force of heat drawn from the Earth's core. The new findings also challenge the theory that underwater mountain ranges known as mid-ocean ridges are passive boundaries between moving plates. The findings show the East Pacific Rise, the Earth's dominant mid-oce

2017-01-18 03:00:00
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14 

"With Alien Eyes" --ALMA Observatory Can Now Study Our Sun Across the Entire Electromagentic Spectrum (VIDEO)  

"We're accustomed to seeing how our Sun appears in visible light, but that can only tell us so much about the dynamic surface and energetic atmosphere of our nearest star," said Tim Bastian, an astronomer with the National Radio Astronomy Observatory in Charlottesville, Virginia in the USA. "To fully understand the Sun, we need to study it across the entire electromagnetic spectrum, including the millimeter and submillimeter portion that ALMA can observe. "Our human window on the...

2017-01-17 21:16:05
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13 

Window On Our Climate Future: Ice Sheet 22,000 Years Ago Three Times Greater Than Greenland's --"Lowered Global Sea Level 120 Meters" (VIDEO)  

One of the major questions facing us today is how the present ice sheets in Greenland and Antarctica will react to climate change. Simply put, the more we understand of the mechanisms that drove ice sheets to collapse in the past, the better we will be able to predict what will happen in the future. The Eurasian ice sheet was the third largest ice mass during the Last Glacial Maximum some 22,000 years ago. Alongside the Antarctic and North American ice sheets it lowered the global sea l

2017-01-17 09:39:34
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13 

The Milky Way's Destiny? --"Dark Matter Clouds are Killing Galaxies Throughout the Cosmos" (VIDEO)  

  Through the cosmos, galaxies are dying off, and the question astronomers want answered is, "what's killing them?" New research by a global team of researchers, based at the International Centre for Radio Astronomy Research (ICRAR), has revealed that a study of 11,000 galaxies shows their gas —the lifeblood for star formation— is being violently stripped away on a widespread scale throughout the local Universe. "During their lifetimes, galaxies can inhabit halos of different siz...

2017-01-17 08:26:08
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5 

NASA's 2020 Mars Mission 'Fossil Finder' --"Doubles Down on Search for Life With Alien Biochemistry" (Today's "Galaxy" Stream)  

    "On Earth, our ancient rock record has been through the washing machine and the ringer so many times that the fact that anything still retains any signature of its age is a miracle," says Brown University's Jack Mustard, one of the experts consulting with NASA on its fossil-finding mission. "The rocks on Mars would not have been processed to the same extent, would not have been beat up as much, would not have been stretched and squished and heated and buried and exhum...

2017-01-16 14:58:41
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8 

"The Asteroid Winter" --Chicxulub Impact Blocked Sunlight, Led to Extinction of Dinosaurs  

        "The big chill following the impact of the asteroid that formed the Chicxulub crater in Mexico is a turning point in Earth history," says Julia Brugger from the Potsdam Institute for Climate Impact Research (PIK). "We can now contribute new insights for understanding the much-debated ultimate cause for the demise of the dinosaurs at the end of the Cretaceous era." The dinosaurs, until then the masters of the Earth, made space for the rise of the mammals, an

2017-01-16 09:12:26
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35 

Fish in Space -- "Traveling Aboard the ISS Suffered Immediate Microgravitational Stress” (VIDEO)  

    Life in so-called 'microgravity' environments—where the force of gravity is considerably less than on Earth—can cause significant problems for the human body. Astronauts who spend a number of months in space have been shown to suffer from reduced bone mineral density, leading to skeletal problems as well as fluid shift, increase in blood pressure, and dizziness. Surprisingly, the loss of calcium starts at least 10 days after launch in astronauts in Skylab Flights, but t...

2017-01-16 08:06:04
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11 

"The Black Hole That Gave Birth to the Universe" -- (Today's "Galaxy" Stream)  

      The big bang poses a big question: if it was indeed the cataclysm that blasted our universe into existence 13.7 billion years ago, what sparked it? Three researchers at the Perimeter Institute for Theoretical Physics and the University of Waterloo propose that the big bang could be the three-dimensional "mirage" of a collapsing star in a universe profoundly different than our own. The event horizon of a black hole — the point of no return for anything that falls i...

2017-01-14 15:28:31
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9 




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