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extraterrestrial radiation |
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extraterrestrial radiation [¦ek·strə·tə′res·trē·əl ‚rād·ē′ā·shən]
(astrophysics) Electromagnetic radiation which originates outside the earth or its atmosphere, as in the sun or stars. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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