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| | Space Flight |
 | | Categories include Impact craters, Lunar Cataclysm, The Moon, Lunar Meteorites, Arizona Meteorites, and a tutorial by David A. Kring on Impact Events and Their Effect on the Origin, Evolution, and Distribution of Life. |
 | | Deep Impact The Deep Impact mission is to form a deep crater in Comet Tempel 1, to assist scientists who want to find clues to the formation of the solar system. |
 | | The Deep Impact objectives are: Observe how the crater forms, Measure the crater's depth and diameter, Measure the composition of the interior of the crater and its ejecta, and determine the changes in natural outgassing produced by the impact. |
| astronomywebguide.com /links_nasas_space.html (9038 words) |
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