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x-ray background |
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x-ray background [′eks ‚rā ′bak‚grau̇nd]
(astronomy) Diffuse, almost isotropic x-radiation from beyond the solar system, believed to be the summed contribution of many unresolved sources. 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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