Asteroids

Astronauts to Reveal Sobering Data on Asteroid Impacts

by Jason Major April 16, 2014

Want to stay on top of all the space news? Follow @universetoday on Twitter This Earth Day, Tuesday, April 22, three former NASA astronauts will present new evidence that our planet has experienced many more large-scale asteroid impacts over the past decade than previously thought… three to ten times more, in fact. A new visualization of […]

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Asteroid That Dwarfed Dinosaur-Killer Punched Earth 3 Billion Years Ago, Study Says

by Elizabeth Howell April 10, 2014

Early in Earth’s history, a killer asteroid smashed a hole in our planet about 300 miles (500 kilometers) wide, which is greater than the driving distance between Washington and New York City, a new study says. The space rock set off a cycle of destruction that sounds like your worst nightmares. That one reported collision […]

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Surprise! Asteroid Hosts A Two-Ring Circus Above Its Surface

by Elizabeth Howell March 26, 2014

Rings are a tough phenomenon to spot. As late as 1977, astronomers thought that the only thing in the solar system with rings was the planet Saturn. Now, we can add the first asteroid to the list of ringed bodies nearby us. The asteroid 10199 Chariklo hosts two rings, perhaps due to a collision that caused a […]

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Happy Equinox! – A Perfect Time See the Zodiacal Light

by Bob King March 20, 2014

Welcome to the first day of spring! If you have a clear night between now and April 1, celebrate the new season with a pilgrimage to the countryside to ponder the eerie glow of the zodiacal light. Look for a large, diffuse, tapering cone of light poking up from the western horizon between 90 minutes […]

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Clouds May Scotch Tomorrow’s Rare Erigone-Regulus Occultation

by Bob King March 19, 2014

North America’s brightest predicted asteroid occultation may be one-upped by a much bigger occultation – a solid blanket of clouds. Asteroid 163 Erigone will cover or occult the bright star Regulus shortly after 2 a.m. Eastern Daylight Time tomorrow morning March 20. Observers along a 45-mile-wide (73-km) belt stretching from the wilderness of Nunavut to […]

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