The early universe was a chaotic mess of gas and matter that only began to coalesce into distinct galaxies hundreds of millions of years after the Big Bang. It would take several billion more years for such galaxies to assemble into massive galaxy clusters—or so scientists had thought.
from Astronomy News – Space News, Exploration News, Earth Science News, Earth Science http://ift.tt/1Z96lFd
via IFTTT
Telescopically 