First black holes may have incubated in giant, starlike cocoons
Tuesday, November 24, 2009 - 14:14
in Astronomy & Space
(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from being blown away, says a new study led by the University of Colorado at Boulder.