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Astronomers spot exiled asteroid in outer reaches of solar system  

This object was likely born in the Asteroid Belt between Mars and Jupiter, then flung billions of miles to the Kuiper Belt on the edge of the solar system.

what do you think?

2018-05-21 06:40:49



Milky Way center over Pondicherry, India  

Photographer Karthik Easvur reminds us that our galaxy's center is 25,000 light-years away. So light from the galactic center that reached the sensor of his camera started its journey 25,000 years ago.

what do you think?

2018-05-21 01:05:03



Situation at Kilauea Volcano ‘steadily worsening’  

A large explosion happened Friday night into Saturday at Hawaii's Kilauea Volcano. The 1st serious injury is reported. USGS warns of the release of toxic gases in a plume called a laze, which happens when molten lava hits sea water. Latest images and videos here.

what do you think?

2018-05-20 02:02:33



Scientists measure rise in ozone-destroying chemical  

Report on CFC-11 - an illegal chemical responsible for ozone-depletion in Earth's atmosphere - now apparently on an upswing again. Meanwhile, new direct evidence the ban on CFCs is working and the ozone hole is recovering.

what do you think?

2018-05-19 06:06:12



Shelf cloud over New York  

A squall line of severe thunderstorms swept over New York City and the surrounding area last Tuesday, creating dramatic skies.

what do you think?

2018-05-19 05:48:03



TESS planet-hunter snaps 1st test image, swings by moon  

How many unseen worlds orbit these stars? The TESS planet-hunter is designed to find nearby exoplanets, between 30 and 300 light-years away.

what do you think?

2018-05-19 05:41:33



See it! Last night’s moon and Venus  

The returning moon and brightest planet were near each other in the sky the last 2 evenings. Don't miss these gorgeous photos from the EarthSky community.

what do you think?

2018-05-18 04:03:54



Yakutsk: The Coldest City in the World  

Photo credit: Slava Stepanov There are plenty of regions in Russia that can claim to be very remote and very cold, but none as extreme as Yakutia. It's an enormous region in north-eastern Russia with an area roughly the size of India but with a population smaller than that of the US state of Rhode Island. Yakutia is well known for its extreme and severe climate, boasting some of the lowest temperatures ever recorded in the Northern Hemisphere. Two of the coldest inhabited places in the world...

what do you think?

2018-05-17 21:07:00



Wall-E and Eva set record, snag pic  

The 1st-ever interplanetary CubeSats - nicknamed Wall-E and Eva - are now on their way to Mars. They set a new CubeSat distance record on May 8. Then Wall-E turned back and grabbed an image of the Earth and moon.

what do you think?

2018-05-17 06:58:51



What is peer review?  

We've all heard of peer review. It gives credence to research and scholarly papers. But what does it mean? How does it work?

what do you think?

2018-05-17 03:16:11



The Blood Stained Ceilings of Kyoto's Temples  

The Fushimi Castle in Kyoto was one of the last places of action during the "age of warring states"—a period in Japanese history, stretching from the mid-15th to the early 17th centuries, that was marked by near-constant military conflict. It ended when Tokugawa Ieyasu came into power and established the Tokugawa shogunate and unified all of Japan under a feudal system. But before that could happen, he had to defeat the supporters of Toyotomi Hideyori, the five-year-old son and designated...

what do you think?

2018-05-16 16:16:00



Meet the fastest-growing black hole  

Because it sucks in so much gas, this black hole appears ultra-luminous. If it sat at the center of our Milky Way, we'd see it shining 10 times more brightly than a full moon.

what do you think?

2018-05-16 07:17:10



Young moon and Venus May 16-18  

A beautiful sight in the west after sunset for the next few evenings ... the brightest planet Venus near the returning young moon.

what do you think?

2018-05-16 06:52:19



Scientists discover a new type of magnetic event  

They were working with spacecraft data, using a new technique to analyze it. They found a new type of magnetic event in the realm just beyond the boundary of Earth's magnetic field.

what do you think?

2018-05-16 06:23:51



Boom!  

Photographer Walter E. Elliott captured this image from Michigan's Grand Haven North Pier on May 14, 2018.

what do you think?

2018-05-16 05:23:10



Canaries As Poisonous Gas Detectors  

This peculiar device, in the collection of the Science Museum in South Kensington, London, looks like a tiny gas chamber a movie villain would use. Throw in your enemy—in this case, a small innocent canary—close the hatch, turn open the valve to let in poisonous gas from the cylinder above, and then laugh manically as the bird suffocates and die. In reality, it's the opposite. This device is used not to kill canaries, but to revive them. The cylinder attached to the top of the metal box c...

what do you think?

2018-05-15 12:08:00



When does Ramadan begin in 2018?  

The moon is new today. Earliest sightings of a young crescent in the west after sunset mark the start of the Islamic holy month of Ramadan. Will anyone on Earth be able to see the moon on this Tuesday evening with the eye alone? Possibly.

what do you think?

2018-05-15 05:03:34



Old moon and Mercury, past 2 mornings  

On spring mornings, from either hemisphere, you can't easily see Mercury. Peter Lowenstein in Mutare, Zimbabwe - 19 degrees south latitude, where it's autumn now - shares this month's excellent Southern Hemisphere view of Mercury, as the old moon swept past.

what do you think?

2018-05-15 01:50:07



Are there geysers on Europa?  

On Monday, scientists announced new evidence suggesting water vapor plumes on Jupiter's moon Europa. Could we send a spacecraft through one, to test whether Europa's liquid ocean - buried below its icy crust - might support life?

what do you think?

2018-05-14 11:28:42



New views of Jupiter  

At a meeting of experts in London last week, citizen scientists Gerald Eichstädt and Sean Doran wowed the audience with this new composite, plus a new dazzling animation, of the giant planet Jupiter.

what do you think?

2018-05-14 08:42:18



Thousands of black holes near Milky Way center?  

Astrophysicists found 12 possible black holes near the supermassive black hole at our Milky Way's heart. They could be the 1st known members of a black hole swarm.

what do you think?

2018-05-14 07:11:47



Is there life in the multiverse?  

New research shows that life might be common throughout the multiverse ... if there is a multiverse.

what do you think?

2018-05-14 04:40:52



Galaxies look like fireflies  

In the darkness of the distant universe, galaxies resemble glowing fireflies, flickering candles, or sparks floating up from a bonfire.

what do you think?

2018-05-13 03:37:29



Fly over a Mars crater  

Fly over Mars' Neukum Crater, in this video based on images taken by ESA's Mars Express spacecraft.

what do you think?

2018-05-13 01:37:48



European Space Agency considers 3 new mission concepts  

ESA considers a high-energy survey of the early universe, an infrared observatory to study the formation of stars, planets and galaxies, and a Venus orbiter.

what do you think?

2018-05-12 13:43:37



Makhunik: The Village of Dwarves  

In a remote corner in Iran's South Khorasan Province, near its border with Afghanistan, is a village that, until about a century ago, was inhabited by people of very short stature. Indication of their dwarfism is found in the local architecture. Of the roughly two hundred stone and clay houses that make up the ancient village, seventy or eighty of them are of exceptionally low height. These adobe dwellings are less than two meters tall with narrow doorways that cannot be entered without stoopi...

what do you think?

2018-05-12 12:39:00



‘Absolutely insane airglow’  

Those were the words of astrophotographer Yuri Beletsky, who captured this image on May 10 from Las Campanas Observatory in Chile.

what do you think?

2018-05-12 07:46:14



‘Lost’ asteroid to pass closely May 15  

Asteroid 2010 WC9 will pass at about half the moon's distance, in one of the closest approaches ever observed of an asteroid of this size. Click in for information about viewing online.

what do you think?

2018-05-12 03:08:59



Saint Catherine's Monastery And The World's Oldest Library  

Deep in the Sinai Peninsula of Egypt, in a region of wilderness made up of granite rock and rugged mountains, lies the town of Saint Catherine. It was here, at the foot of Mount Sinai, that Moses is believed to have received the Ten Commandments from God. Naturally, this region is sacred to Christians, Jews and Muslims alike. Between 548 and 565, the Eastern Roman emperor, Justinian the Great, ordered the construction of a monastery dedicated to Saint Catherine at this site. The monastery has ne

what do you think?

2018-05-11 11:08:00



The Female Bird Song Project  

Female bird song appears to be more common than once thought. This new project aims to collect more recordings of these fascinating sounds. You can participate!

what do you think?

2018-05-11 09:04:04



This weekend … Moon and Mercury  

Best morning apparition of Mercury for 2018 in the Southern Hemisphere ... worst in the Northern Hemisphere. For the whole Earth, the moon will sweep past Mercury before sunrise.

what do you think?

2018-05-11 08:01:55



What will happen when our sun dies?  

It won't happen soon, not for another 5 billion years. Our sun's fate, here.

what do you think?

2018-05-11 06:52:55



Jupiter rising, Venus setting  

Venus and Jupiter are the sky's 2 brightest planets, and they hang on either side of your sky now - Jupiter in the east and Venus in the west - shortly after the sun goes down.

what do you think?

2018-05-11 02:35:30



The Forgotten Islands of The Wadden Sea  

Just off the northwest coast of Germany, in the North Frisian Wadden Sea, are a series of ten extremely low-lying islets known as Halligen or Hallig islands. The Hallig Islands rise only a few feet above sea level, so every winter when the tidal flats of the Wadden Sea gets inundated, the islands go under water. In the Middle Ages, there were a great number of Halligen, but with rising sea level several of these uninhabited islets on the Wadden Sea have vanished beneath the waves for ever. Barel

what do you think?

2018-05-10 10:59:00



North Pole gets a heat wave  

In just the past few days, the temperature at the North Pole has soared to the melting point of 32 degrees, which is about 30-35 degrees (17-19 Celsius) above normal.

what do you think?

2018-05-10 04:02:15



Springtime at Ladd Observatory  

Ladd Observatory is located at Brown University in Providence in the U.S. state of Rhode Island.

what do you think?

2018-05-10 02:09:10



Will Hawaii’s Kilauea Volcano explode?  

Volcano scientists issued a second Orange Alert on Wednesday. "At this time, we cannot say with certainty that explosive activity will occur, how large the explosions could be, or how long such explosive activity could continue."

what do you think?

2018-05-09 15:53:26



Hawaii eruption highlights volcano dangers  

Fountains of lava from Hawaii's Kilauea volcano are dramatic, but the most deadly impacts of volcanic eruptions are toxic gases and ash and mud flows.

what do you think?

2018-05-09 10:28:15



Earth and Jupiter are closest May 10  

We went between Jupiter and the sun last night according to clocks in North America. But the giant planet will be closest to us tomorrow. Why?

what do you think?

2018-05-09 06:44:46



Hawaii’s erupting Kilauea volcano  

Kilauea is one of the world's most active volcanoes. Here are images and video from its ongoing eruption in Hawaii.

what do you think?

2018-05-09 05:21:29



Snowball Earth due to plate tectonics?  

New research suggests that as great land plates began to shift and move on Earth's surface, our world became what geologists call a Snowball Earth.

what do you think?

2018-05-09 04:38:23



Exercise Tiger: The Disastrous D-Day Rehearsal That Cost 800 Lives  

In the early morning hours of June 6, 1944, thousands of Allied soldiers stormed into the beaches of northern France in what became the largest seaborne invasion in history. In the space of a single day, Operation Overlord put over 180,000 troops ashore in Normandy, creating a beachhead that eventually allowed more than 3 million Allied soldiers into German occupied Western Europe, setting the stage for the final phase of the war in Europe. In the months leading up to D-Day, the Allied powers o

what do you think?

2018-05-08 20:52:00



'Windows of the World' by André Vicente Gonçalves  

Portuguese photographer Andre Vicente Gonçalves's "Windows of the World" is a fascinating look into the architectural trend in window design across different parts of the world. While documenting this structural element, Gonçalves discovered that not only do buildings themselves have a distinctive identity, but cities, too, have their own design aesthetic, and that distinction shows its face best through the city's various windows. By collaging his photographs from specific regions i...

what do you think?

2018-05-08 15:06:00



Astronomers report success with machine deep learning  

Deep learning is a form of artificial intelligence. In 2 unrelated studies, astronomers report "surprising" success using it to perform research that's hard or impossible otherwise.

what do you think?

2018-05-08 03:22:20



World War II's Other Iconic Photo: Raising A Flag Over The Reichstag  

When photographer Joe Rosenthal snapped the picture of five US marines and a Navy sailor raising the American flag over the battle-scarred Japanese island of Iwo Jima, he could not have anticipated that it would become one of the most memorable and most recognizable images of the Second World War. Widely reprinted across a thousand publications, the image resonated with everyone who saw it, and was promptly reproduced in postage stamps and later sculpted in bronze at the Marine Corps War Memoria

what do you think?

2018-05-07 19:53:00



Richardson Olmsted Complex: A Historic Insane Asylum Turned Hotel  

The Richardson Olmsted Complex in Buffalo, the United States, is a modern name for the Buffalo State Hospital, which itself was originally called the Buffalo State Asylum for the Insane. This large Medina red sandstone and brick hospital that stands on the grounds of the present day Buffalo Psychiatric Center in Buffalo was designed in 1870 by famed architect Henry Hobson Richardson, while the landscaping was done by another famous personality, Frederick Law Olmsted, a landscape architect who de

what do you think?

2018-05-07 15:46:00



New science from Jupiter  

When the Juno spacecraft recently flew over the poles of Jupiter, researchers were astonished. This 5-minute video from NASA explores the latest discoveries.

what do you think?

2018-05-07 06:50:20



What causes landslides?  

Most landslides are caused by multiple factors that act together to destabilize the slope. Excessive water is one of the most common triggers for landslides.

what do you think?

2018-05-07 06:36:29



Why can’t I find the Milky Way in May?  

In May, in the evening, the plane of the Milky Way galaxy lies nearly flat around our horizons, as viewed from Earth's Northern Hemisphere. But just wait ...

what do you think?

2018-05-07 03:24:28



Help NASA create the world’s largest landslide database  

NASA researchers have launched a citizen science project requesting your reports on landslides you've seen, heard about in the news, or found in an online database. Photos welcome!

what do you think?

2018-05-07 01:43:13



Hear the Milky Way Blues  

Listen to the sound of our galaxy rotating. The variation of musical pitches portrays the motion of gas as it orbits around the center of our galaxy.

what do you think?

2018-05-06 04:45:45



Eta Aquarid in moonlight  

Who says you can't catch meteors in moonlight? Check out this beautiful shot of one of this weekend's Eta Aquariid meteors from Eliot Herman in Tucson.

what do you think?

2018-05-06 04:34:08



The Longest Straight Line Land And Sea Route  

The red line on this world map looks all curvy, but in reality is a perfectly straight line. Remember, the earth is spherical, so any straight line drawn on the surface of the earth will appear curved in a flat projection of a map, if the line is long enough. This is why satellite paths when mapped over the earth's surface appear like sine waves. The reverse is also true: any straight line on a flat map is actually a curved path. This particular red line is special, because it represents the...

what do you think?

2018-05-05 20:33:00



Don’t miss moon and Mars on May 6  

Don't miss the moon and Mars together in the predawn sky on May 6, 2018. Plus a word about other bright planets you can see in May.

what do you think?

2018-05-05 06:49:07



Tangled up in blue  

NASA's SDO captured the sun's only visible active region putting on a fine display.

what do you think?

2018-05-05 01:19:24



The Lost City of Cahokia  

A thousand years before Columbus's men would land on the shores of America, a new city was sprouting on the floodplains of modern-day St. Louis, Missouri—one that would become, within the course of just five decades, the the largest city ever built north of Mexico. The city of Cahokia, at its peak between the 10th and 12th centuries, was spread over 16 square kilometers—puny by today's standards, but at that time it was larger than many European cities, including London. Cahokia boaste...

what do you think?

2018-05-04 15:38:00



China's Bicycle Graveyards  

Over the last few years, the bicycle-sharing phenomenon has taken the world by storm, especially in China, where—according to one report—there are over 70 private bike-sharing companies in operation with a collective pool of 16 million cycles and over 130 million users. These bikes, especially the dockless variety, can be picked up from anywhere on the streets using a smartphone to unlock them first, and then dropped off anywhere without the need to park it at a dock. Regular users say these...

what do you think?

2018-05-04 15:35:00



Find the radiant point for the Eta Aquariid meteor shower  

Eta Aquariid meteors radiate from the Y-shaped group of stars called the Water Jar in the constellation Aquarius. Here are 2 ways to find it.

what do you think?

2018-05-04 07:43:53



Pop Culture Dystopia  

Dystopian future is a favorite trope among movie directors, writers and artists alike. Decaying landscape, overgrown bushes, and crumbling ruins make for some fascinating views. In this series, Prague-based 3D illustrator Filip Hodas imagines everyday pop-culture icons as giant robots, lying abandoned and corroded in a dystopian landscape. We see popular characters like Pac man, Hello kitty, Mickey Mouse, Futurama's Bender, McDonald's Happy Meal and Stormtrooper's helmet among others. All ...

what do you think?

2018-05-03 23:28:00



Moon, Saturn, Mars on May 4 to 6  

Stay up after midnight, or rise before the sun these next few mornings, to see the moon, Saturn and Mars - and possibly, some of Eta Aquariid meteors streaking past in moonlight.

what do you think?

2018-05-03 07:02:09



Beaches safer for baby sea turtles, but threats await in ocean  

It's nesting season for sea turtles on beaches from North Carolina to Texas and throughout the Caribbean. Here's an update from a biologist who's been studying the for 36 years.

what do you think?

2018-05-03 06:56:14



Root of the rainbow  

A rainbow happens when sunlight hits water droplets in the air. Look opposite the sun after or during a rain shower.

what do you think?

2018-05-03 04:32:19



Ample warning for supervolcanos?  

Yellowstone's supervolcano won't erupt anytime soon. Neither will other similar systems around the world. A new study says we'll see many warning signs before a supervolcano erupts.

what do you think?

2018-05-03 01:42:23



Toxic Art: The Almaden Mercury Fountain  

At the Joan Miró Foundation, a contemporary museum on Montjuïc hill in Barcelona, is a fascinatingly deadly piece of art—a fountain of mercury. It's a simple, almost childlike creation consisting of a single, standing pipe that releases a narrow stream of liquid mercury into a series of curving aluminum troughs. After swirling and sloshing in a couple of basins and steps built along the way, the toxic liquid strikes a paddle like thing before it falls into a circular pool. The liquid strik...

what do you think?

2018-05-02 23:23:00



Does Stephen Hawking's final theory tame the multiverse?  

"I have never been a fan of the multiverse. If the scale of different universes in the multiverse is large or infinite the theory can't be tested."

what do you think?

2018-05-02 13:30:53



Gaia mission sees LMC stars as a galactic fingerprint  

It resembles a fingerprint, doesn't it? But it's really a galaxy, rotating. This image is from ESA's Gaia space observatory. It shows the rotation of the Large Magellanic Cloud.

what do you think?

2018-05-02 04:16:26



Venus and star Aldebaran after sunset  

You can't miss Venus. It's the brightest thing in the west after sunset. Aldebaran - the eye of the Bull in Taurus - needs a darker sky. Wait some minutes! It'll pop into view.

what do you think?

2018-05-02 03:34:43



See 15 years of change in the Arctic  

Mesmerizing new video, made from 15 years of satellite data, shows the waxing and waning of Arctic ice and snow as the seasons change.

what do you think?

2018-05-02 02:36:17



How Pluto got its name  

Eleven-year-old Venetia Burney suggested Pluto, a classical mythological god of the underworld. The name also honored Percival Lowell, whose early efforts led to Pluto's discovery.

what do you think?

2018-05-01 06:51:50



Moon, Antares, Jupiter May 1-2  

Tonight's moon is near the bright star Antares in the constellation Scorpius the Scorpion. An even brighter planet, Jupiter, is nearby.

what do you think?

2018-05-01 05:37:12



Watch SpaceX Dragon depart from ISS May 2  

A SpaceX Dragon cargo spacecraft is set to depart the International Space Station (ISS) on Wednesday, May 2. NASA TV will provide live coverage of Dragon's departure starting at 10 a.m. EDT (14:00 UTC).

what do you think?

2018-05-01 01:04:09



Strings And Knots: Inca's Cryptic Writing System  

While Geoffrey Chaucer was writing The Canterbury Tales in late 14th century, the Inca scholars high up in the Andes were struggling to put their thoughts on paper, because the Incas—who were the largest, the most sophisticated pre-Columbian civilization to exist in South America, evidence of which can still be found in their monumental architecture, technology, urbanization, agriculture and complex societal hierarchies—had one embarrassing weakness: they didn't have a written language. Th...

what do you think?

2018-04-30 16:26:00



The Soccer Stadium Lying On Two Hemispheres  

This Friday, two local Brazilian football clubs—Santos FC and Macapa—will face each other at the Estadio Milton Corrêa, a multi-purpose stadium in the city of Macapa, Brazil. When the whistle blows at 5:00 PM local time, each team will defend the goal on their side. But that's not the only thing they will be defending. Estadio Milton Corrêa is the most centrally located stadium anywhere in the world. It straddles right over the equator. In fact, it's so precisely built that the mid...

what do you think?

2018-04-30 16:25:00



Moon and Jupiter meet in Libra  

On April 30, 2018, enjoy the bright moon near Jupiter. Then let Jupiter guide you to Zubenelgenubi and Zubeneschamali, Libra's 2 brightest stars.

what do you think?

2018-04-30 06:01:18



New Shepard has successful 8th test flight  

Blue Origin's suborbital rocket New Shepard made its 8th test flight on April 29, going up from the company's launch site in West Texas. Watch mission highlights here.

what do you think?

2018-04-30 04:38:40



See it! Full moon and Jupiter  

Miss last night's full moon? Check out these photos from the EarthSky community. The moon will be past full, but closer to Jupiter, Monday night.

what do you think?

2018-04-30 03:08:23



Take a virtual tour of 6 exoplanets  

The virtual exoplanet tour has a cool 360-degree visual display. Since launching in late 2017, it's had over a million YouTube views. Check it out here.

what do you think?

2018-04-29 08:50:18



How to see Jupiter’s moons  

Jupiter's opposition - the best time to observe the planet for all of 2018 - will be May 9. Here's a word about watching Jupiter's moons.

what do you think?

2018-04-29 05:23:04



Our line of sight to bright planets today  

This chart - from astronomer Guy Ottewell in England - shows the paths of the planets in April and May, and sightlines from Earth to them on April 29.

what do you think?

2018-04-29 03:44:34



Cool video! When humans stalked a giant sloth  

Fossil footprints track a prehistoric hunt.

what do you think?

2018-04-29 01:36:03



Fireball over Dry Tortugas  

A Lyrid meteor over Florida's Dry Tortugas National Park.

what do you think?

2018-04-28 06:57:08



Moon near Jupiter April 28 to 30  

Look up! You'll see a very bright "star" - really the planet Jupiter - near the moon.

what do you think?

2018-04-28 05:24:41



Curious holes in Arctic sea ice  

Warming seawater might be the culprit, or seals might have gnawed the holes. For now, the strange circular holes in Arctic sea, photographed earlier this month ice, are mysterious.

what do you think?

2018-04-28 04:45:50



River of Blood: The Memorial to a Civil War Battle That Never Took Place  

In the greens overlooking the Potomac river, between the 14th hole and the 15th tee at the Trump National Golf Club in Lowes Island, Northern Virginia, stands a stone pedestal with a flagpole and a plaque commemorating a forgotten piece of American Civil War history—the battle that turned the Potomac red with blood. The inscription reads: Many great American soldiers, both of the North and South, died at this spot, "The Rapids", on the Potomac River. The casualties were so great that the ...

what do you think?

2018-04-27 11:24:00



Unseen siblings for Milky Way's supermassive black hole?  

Our Milky Way galaxy is known to have a supermassive black hole at its heart. Could more supermassive black holes be lurking unseen at our galaxy's outskirts?

what do you think?

2018-04-27 05:10:28



Moon near Spica on April 27 and 28  

Spica, in the constellation Virgo, is one of our sky's brightest stars. An even brighter object will be nearby, the planet Jupiter.

what do you think?

2018-04-27 02:28:29



Sunset at Shell Beach, California  

Shell Beach is a neighborhood in the city of Pismo Beach in San Luis Obispo County, California. Photographer Mimi Ditchie caught this image on Earth Day weekend.

what do you think?

2018-04-27 01:44:18



Nightingale Floor: An Ancient Japanese Intruder Detection System  

Squeaky floors are annoying, which is why when you search for "squeaky floors" in Google, you get hundreds of articles offering you tips and advice on how to make your floors squeak less. But in ancient Japanese societies, especially among royal families, squeaky floors were not hated but desired—because a floor that screeched and groaned with each step was an effective anti-burglar alarm system. Some Japanese castles built during the Edo period had these kind of flooring in the hallways. ...

what do you think?

2018-04-26 11:19:00



Gaia’s 2nd data release: 1.7 billion stars!  

Why did ESA's director of science say Gaia's observations are "redefining the foundations" of astronomy? Also, links to virtual reality resources made possible by Gaia, available for you to explore.

what do you think?

2018-04-26 07:53:10



Record microplastic found in Arctic sea ice  

New research shows that even the Arctic Ocean isn't immune to an influx of plastic.

what do you think?

2018-04-26 04:54:59



April 26 moon near Spica and celestial equator  

Just as earthly coordinates help travelers, so celestial coordinates guide sky explorers. Tonight, meet Earth's celestial equator ... simply Earth's equator projected onto the great dome of sky.

what do you think?

2018-04-26 02:54:59



Watch thousands of asteroids orbiting our sun  

Both NASA and ESA space missions have just released new videos plotting the orbits of tens of thousands of asteroids (and comets) orbiting our sun.

what do you think?

2018-04-26 02:46:06



I run facial recognition on buildings  

An art historian describes how he and his team use an analysis technique similar to facial recognition, to unlock architectural secrets.

what do you think?

2018-04-26 02:20:51



Judge’s shack  

The Milky Way rising over the historic Judge's Shack in Island Beach State Park in New Jersey.

what do you think?

2018-04-26 01:16:59



The Ice Caves That Never Melt, Even In Summer  

In the mountains of the Shanxi province in China, is the country's biggest ice cave—an 85-meter deep bowling pin shaped subterranean structure set into the side of the mountain. Its walls and floors are coated with thick layers of ice, while large icicles and stalactites stretch from the ceiling to floor. The Ningwu Cave has the unique ability to stay frozen throughout summer even when the outside temperature climbs into the high teens. Across continental Europe, Central Asia, and North Amer...

what do you think?

2018-04-25 10:44:00



Giant ichthyosaur one of largest animals ever  

The new discovery of a jaw bone suggests that this prehistoric aquatic reptile would have been about the size of a blue whale.

what do you think?

2018-04-25 08:22:07



A word about the moon’s distance tonight  

The moon was closest to Earth April 20. It'll be farthest from Earth May 6. Tonight's moon is closer to its average distance from Earth.

what do you think?

2018-04-25 05:55:29



Watch the mating dance of a new bird species  

Be a birder for a few minutes, and enjoy the distinctive song, dance and courtship display of a newly recognized Bird-of-Paradise, in new videos from the Cornell Lab of Ornithology.

what do you think?

2018-04-25 05:35:34



See it! Last weekend’s Lyrid meteors  

We didn't receive huge numbers of photos of the 2018 Lyrid meteor shower, but the ones we saw were beautiful. Thanks to all who submitted.

what do you think?

2018-04-25 01:59:32



Star trails show celestial equator  

Enjoy this interesting and unique photo of star trails, showing the whereabouts of the celestial equator and the arc of stars around both celestial poles.

what do you think?

2018-04-24 06:13:27






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