Proto-Clusters: Precursors Of Dense Galaxy Clusters Discovered?

Tuesday, March 31, 2015 - 12:01 in Astronomy & Space

Cosmologists may have discovered what could be the precursors of the vast clusters of galaxies that we see today. Galaxies like our Milky Way, with its 100 billion stars, are usually not found in isolation. 13.8 billion years after the Big Bang, many are in dense clusters of tens, hundreds or even thousands of galaxies.  read more

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