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Hot Topic Solar System Meteorites, Comets and Asteroids
 
Comet Collision to Come?
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.

Earth Impacts: More Likely in the Past or Present?
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.

Vesta: The Smallest Terrestrial Planet
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.

Earth's Companion Asteroid
Topic: Meteorites, Comets and Asteroids
08/01/11
Astronomers have discovered the first known 'Trojan' asteroid that shares an orbit with Earth.

A New Dawn for Vesta
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.

Does Asteroid Vesta Have a Moon?
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.'

New Comet Found
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.

Hyperactive Hartley 2
Topic: Meteorites, Comets and Asteroids
06/21/11
Data from NASA's EPOXI mission has been used to detail the 'hyperactive' nature of comet Hartley 2. EPOXI witnessed carbon dioxide jets and water vapor, providing new information about the composition of comets and their potential role in life's origins on Earth.

July Rendezvous with Vesta
Topic: Meteorites, Comets and Asteroids
06/17/11
NASA's Dawn mission is now approaching the protoplanet Vesta. Small, terrestrial bodies like Vesta can teach astrobiologists about the early solar system, the formation and nature of rocky worlds, and the composition of meteorites and their potential role in life's origins on Earth.

Rosetta's First Glimpse of the Comet
Topic: Meteorites, Comets and Asteroids
06/11/11
ESA's Rosetta spacecraft has obtained the first images of its target, the comet Churyumov-Gerasimenko.

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