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Hot Topic Solar System Meteorites, Comets and Asteroids
Astrobiology Top 10: A New Dawn for Vesta
Topic: Meteorites, Comets and Asteroids
Summary: Astrobiology Magazine is highlighting the top 10 stories of 2011. At number nine, NASA's Dawn spacecraft enters into orbit around the asteroid Vesta on Friday, July 15. (Originally published 07/16/2011)

Meteorite Shock Waves Cause Dust Avalanches on Mars
Topic: Meteorites, Comets and Asteroids
Summary: Dust avalanches around impact craters on Mars appear to be the result of the shock wave preceding the actual impact, according to a new study.

Revealing How the Elements Were Forged
Topic: Meteorites, Comets and Asteroids
Summary: A new study could help scientists understand how the elements that make up our bodies and our planet were created.

NASA Developing Comet Harpoon for Sample Return
Topic: Meteorites, Comets and Asteroids
Summary: A new harpoon may help NASA grab samples from a speeding comet.

Is Vesta the Smallest Terrestrial Planet?
Topic: Meteorites, Comets and Asteroids
Summary: NASA's Dawn spacecraft spent the last four years voyaging to asteroid Vesta - and may have found a planet.

Vesta in 3D
Topic: Meteorites, Comets and Asteroids
Summary: NASA has released a new video of the Dawn spacecraft gliding over asteroid Vesta in 3-D.

PhAst Detection of Near-Earth Objects
Topic: Meteorites, Comets and Asteroids
Summary: A new computer program may help track near Earth objects (NEOs) and compute more accurate orbits. Monitoring NEOs can help scientists determine whether or not they pose a risk to life's future on Earth.

Farmer Unearths a Rare Meteorite
Topic: Meteorites, Comets and Asteroids
Summary: A rare and beautiful meteorite has been discovered by a farmer in northwest Missouri. It is only the 20th meteorite of its kind found in the United States.

Lutetia is Rare Survivor from the Birth of Earth
Topic: Meteorites, Comets and Asteroids
Summary: New observations indicate that the asteroid Lutetia is a leftover fragment of the same material that formed the Earth, Venus and Mercury. Studying Lutetia can help astrobiologists understand how these rocky planets formed and evolved in our solar system.

Movie of Asteroid's Close Approach
Topic: Meteorites, Comets and Asteroids
Summary: Scientists working with the 230-foot-wide Deep Space Network antenna have generated a short movie clip of asteroid 2005 YU55.

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