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In page Anisotropy:
"Physicists from University of California, Berkeley reported about their detection of the cosmic anisotropy in cosmic microwave background radiation in 1977. Their experiment demonstrated the Doppler shift caused by the movement of the earth with respect to the early Universe matter, the source of the radiation.[1] Cosmic anisotropy has also been seen in the alignment of galaxies' rotation axes and polarization angles of quasars.[citation needed]
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