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Sunyaev-Zeldovich effect |
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Sunyaev-Zeldovich effect [su̇n¦yä‚ef zel′dō‚vich i‚fekt] (astronomy) A change in the spectrum of the cosmic background radiation in the direction of galaxy clusters, whereby the radiation is less intense at wavelengths longer than 1.4 millimeters and more intense at shorter wavelengths as the result of hot gas in the clusters. 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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| It's this deficit, known as the Sunyaev-Zel'dovich effect, that Carlstrom and his colleagues have already begun to detect with existing instruments. Richard Saunders, Michael Jones, and their colleagues at the University of Cambridge in England used the Ryle telescope, a group of five 13-meter radio dishes in Cambridge, to observe the Sunyaev-Zel'dovich effect in the galaxy cluster Abell 2218. |
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