Hundreds of galaxies are seen in this region of the sky, called COSMOS. (IMAGE)

University of Copenhagen - Faculty of Science

Hundreds of galaxies are seen in this region of the sky, called COSMOS.

Caption

Hundreds of galaxies are seen in this region of the sky, called COSMOS. The most distant ones are seen as small, red specks, enlarged along the edge of the image. By "adding" all these galaxies a unified signal emerges, which has led scientists on the trail of the cause of the galaxies' death (credit: NAOJ).

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(credit: NAOJ).

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