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Solar System
Meteorites, Comets and Asteroids
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Rosetta Locks on Target
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| Topic: Meteorites, Comets and Asteroids |
01/28/07 |
| Summary: ESA's Rosetta spacecraft has caught its first glimpse of an asteroid it will be studying later during its primary mission. The asteroid 21-Lutetia is one target that may yield information about the origin of our Solar System. |
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Astrobiology Top 10: Stardust
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| Topic: Meteorites, Comets and Asteroids |
01/06/07 |
| Summary: Astrobiology Magazine is looking back over 2006, highlighting the Top 10 astrobiology stories of the year. At number 2 is the successful return of the Stardust capsule back to Earth. The spacecraft had flown halfway to Jupiter to collect samples of interstellar dust and particles from the comet Wild 2. |
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Cometary Toolkits
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| Topic: Meteorites, Comets and Asteroids |
12/24/06 |
| Summary: Scientists have identified nitrogen-rich organic molecules in samples of cometary dust from the Stardust spacecraft. The result indicates that comets could have delivered these important molecules to the early Earth at a time when life was first emerging. |
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Finding Our Origin in a Meteorite
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| Topic: Meteorites, Comets and Asteroids |
12/03/06 |
| Summary: NASA researchers have found organic materials that formed in the early Solar System preserved in the freshest meteorite ever received from space. Organic matter in meteorites is of intense interest because this material may have seeded the early Earth with the building blocks of life. |
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KW4 Keeping its Distance, For Now
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| Topic: Meteorites, Comets and Asteroids |
11/19/06 |
| Summary: The Arecibo Observatory has made new observations of a binary near-Earth asteroid named KW4. Studying the formation and evolution of such near-Earth asteroids helps researchers learn how to mitigate the potential threat they pose to Earth. KW4 is classified as a Potentially Hazardous Asteroid, but data show that its path will not intersect Earth's for at least 1,000 years. |
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Meteorites: Friend or Foe?
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| Topic: Meteorites, Comets and Asteroids |
11/09/06 |
| Summary: In this interview, Monica Grady discusses the varieties of dust and meteorites that have fallen to Earth, and explains what they tell us about the history of the solar system and its potential for life. |
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Seeking Out Meteorites
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| Topic: Meteorites, Comets and Asteroids |
11/06/06 |
| Summary: In this interview, Monica Grady talks about hunting for meteorites on the moon in order to learn more about the ancient Earth. She also explains why it took so long for us to find a meteorite originating from Mars. |
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The Astrobiology Connection
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| Topic: Meteorites, Comets and Asteroids |
11/01/06 |
| Summary: Welcome to Radio Astrobiology, the podcast of Astrobiology Magazine. Join us as David Grinspoon investigates a mystery at the bottom of the Earth, and explains what it might mean for the possibility for life elsewhere in the solar system. |
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Seeing Ourselves in Comets
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| Topic: Meteorites, Comets and Asteroids |
08/04/06 |
| Summary: Evidence of atomic nitrogen in interstellar gas clouds suggests that pre-life molecules may be present in comets, a discovery that gives a clue about the early conditions that gave rise to life, according to researchers from the University of Michigan and the Harvard-Smithsonian Center for Astrophysics. |
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Seeing Comets Clearly
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| Topic: Meteorites, Comets and Asteroids |
07/17/06 |
| Summary: Scientists are getting their best understanding yet of the makeup of comets - not only of the materials inside these planetary building blocks, but also of the way they could have formed around the Sun in the solar system's earliest years. |
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