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Hot Topic
Solar System
Meteorites, Comets and Asteroids
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Questioning Comet Elenin
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| Topic: Meteorites, Comets and Asteroids |
08/20/11 |
| NASA scientists have taken time over the last several months to answer questions about the upcoming, and harmless, approach of Comet Elenin. |
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A VIR View of Vesta
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| Topic: Meteorites, Comets and Asteroids |
08/16/11 |
| NASA's Dawn spacecraft has begun its first science-collecting orbit phase at Vesta. |
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Meteorites Deliver Nucleobases to Earth
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| Topic: Meteorites, Comets and Asteroids |
08/09/11 |
| New research indicates that meteorites can carry certain nucleobases - the building blocks of DNA - to the Earth. The findings could help astrobiologists understand the role of meteorite impacts in the origins of life on our planet. |
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Comet Collision to Come?
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| Topic: Meteorites, Comets and Asteroids |
08/09/11 |
| New research shows that the Earth was impacted for a few hours by a stream of dust from a potentially dangerous comet on February 4, 2011. |
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Earth Impacts: More Likely in the Past or Present?
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| Topic: Meteorites, Comets and Asteroids |
08/03/11 |
| A new study indicates that the Earth is as likely today to be struck by a large impactor as it was in the past. It's even possible that the rate of impact events has increased over the past 250 million years. |
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Vesta: The Smallest Terrestrial Planet
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| Topic: Meteorites, Comets and Asteroids |
08/02/11 |
| NASA has unveiled the first full-frame image of Vesta taken by the Dawn spacecraft. Vesta is the brightest object in the asteroid belt, and could provide clues about how rocky worlds formed and evolved in our solar system. |
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Earth's Companion Asteroid
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| Topic: Meteorites, Comets and Asteroids |
08/01/11 |
| Astronomers have discovered the first known 'Trojan' asteroid that shares an orbit with Earth. |
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A New Dawn for Vesta
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| Topic: Meteorites, Comets and Asteroids |
07/16/11 |
| NASA's Dawn spacecraft entered into orbit around the asteroid Vesta on Friday, July 15. The spacecraft is expected to confirm that it performed as planned during a scheduled communications pass that starts today at 23:30 Pacific Time. |
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Does Asteroid Vesta Have a Moon?
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| Topic: Meteorites, Comets and Asteroids |
07/10/11 |
| As the Dawn spacecraft closes in on the asteroid Vesta, researchers are looking for an 'asteroid moon.' |
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New Comet Found
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| Topic: Meteorites, Comets and Asteroids |
06/29/11 |
| Astronomers have discovered a new comet that could be visible to the naked eye in early 2013. |
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