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shergottite |
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shergottite [′shər·gə‚tīt] (geology) An achondritic stony meteorite that is composed chiefly of pigeonite and maskelynite. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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A new analysis of a Mars meteorite suggested that water once flowed on the surface of the Red Planet and came from eruptions of molten rock deep within the planet (159: 123). ``We feel stronger about it now than when we wrote the first paper,'' Everett Gibson, co-leader of the National Aeronautics and Space Administration's Mars meteorite team, said Wednesday in a speech to the National Space Society. A new analysis of a Mars meteorite that fell to Earth suggests that ancient Martian magma--molten rock from deep within the Red Planet--contained significant amounts of water before it erupted on the planet's surface. |
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