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Hot Topic Solar System Meteorites, Comets and Asteroids
 
Asteroid is Earth's Companion
Topic: Meteorites, Comets and Asteroids
04/10/11
Summary: A recently discovered asteroid has been following the Earth in its motion around the Sun. The asteroid has been following us for 250,000 years and may be related to the origin of our planet.

New Type of Mineral Found in Historic Meteorite
Topic: Meteorites, Comets and Asteroids
04/09/11
Summary: Researchers have identified a new mineral named 'Wassonite' in a meteorite that was discovered in 1969. The discovery was made by examining the meteorite was examined using 21st-century nanotechnology.

Frozen Comet had Watery Past
Topic: Meteorites, Comets and Asteroids
04/09/11
Summary: Scientists have found evidence for the presence of liquid water in a comet. The discovery changes current thinking about the nature of comets, and could have implications for the search for life in our solar system.

Meteorite Sprinkles on Fresh Baked Earth and Mars
Topic: Meteorites, Comets and Asteroids
04/08/11
Summary: Micro-meteorites may have caused the climates of Earth and Mars to cool four billion years ago. These tiny meteorites could have bombarded the planets, making it difficult for life to survive during this early period in the Solar System.

The Mystery of Spring's Many Meteors
Topic: Meteorites, Comets and Asteroids
04/05/11
Summary: Spring is a time for fireballs. The rate of bright meteors climbs during this time of year, making spring a great time for astrobiologists to watch the skies.

When is an Asteroid not an Asteroid?
Topic: Meteorites, Comets and Asteroids
03/30/11
Summary: NASA's Dawn spacecraft is preparing to enter orbit around the 'minor planet' Vesta. The data that Dawn returns will help astrobiologists understand how small rocky bodies in our solar system were formed.

StarDust's Firey Farewell
Topic: Meteorites, Comets and Asteroids
03/26/11
Summary: NASA's Stardust spacecraft has sent its last transmission to Earth. Since its launch in 1999, Stardust has provided astrobiologists with a wealth of data about the composition and nature of comets.

Earthquake Shakes Japanese Science
Topic: Meteorites, Comets and Asteroids
03/24/11
Summary: The particle accelerator being used to analyze asteroid samples returned to Earth by by the Hayabusa spacecraft was damaged in the March 11 earthquake in Japan. Researchers have reported that the samples are undamaged and the accelerator will be repaire

What's Hitting Earth?
Topic: Meteorites, Comets and Asteroids
03/14/11
Summary: NASA is deploying a network of cameras across the USA to determine the origin of the 100 tons of meteoroids that enter the Earth's atmosphere every day. The answer could help astrobiologists understand the potential role of meteorids in delivering materials to the Earth that were essential for the origin of life.

Vesta Target Practice
Topic: Meteorites, Comets and Asteroids
03/13/11
Summary: In preparation for entering orbit around the second most massive body in the asteroid belt, NASA's Dawn mission has been practicing mapping Vesta's surface.

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