Sentences with phrase «background galaxies caused»
In this case, the researchers looked for distortions to light being emitted by background galaxies caused by foreground dark matter filaments.
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Color variations in an image of the cosmic microwave background radiation depict temperature fluctuations caused by seeds of matter that eventually became galaxies.
The telescope has helped researchers detect such clusters by exploiting a phenomenon known as the Sunyaev - Zel «dovich effect, which causes massive galaxy clusters to leave an impression on the cosmic microwave background: a faint, universe - spanning glow of light left over from the big bang.