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interplanetary dust |
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interplanetary dust [¦in·tər′plan·ə‚ter·ē ′dəst] (astronomy) Dust particles between the planets. 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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National Laboratory analyzed an interplanetary dust particle collected by a NASA aircraft from Earth's stratosphere, they discovered organic material older than the solar system. These researchers speculate that precursors to life might have arrived on an asteroid, meteorite, comet, or even interplanetary dust (SN: 2/3/01, p. The materials could have hitched a ride to Earth on comets, meteorites, or interplanetary dust. |
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