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Contact: Francis Reddy
Francis.j.reddy@nasa.gov
301-286-4453
NASA/Goddard Space Flight Center
Caption: Hot gas in moving galaxy clusters (white spots) shifts the temperature of cosmic microwaves. Hundreds of distant clusters seem to be moving toward one patch of sky (purple ellipse).
Credit: NASA/WMAP/A. Kashlinsky et al.
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Related news release: Scientists detect cosmic 'dark flow' across billions of light years
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