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radiation era |
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radiation era [‚rād·ē′ā·shən ‚ir·ə]
(astronomy) The period in the early universe, lasting from roughly 20 seconds to 105years after the big bang, when photons dominated the universe. 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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