STARLESS GALAXY IS BORN Huge gas clouds col­lapse

Science Illustrated - - BLACK HOLES -

Ac­cord­ing to the lead­ing one of sci­en­tists’ four new the­o­ries, huge gas clouds col­lapse into medium-sized black holes some 270 mil­lion years af­ter the Big Bang. Th­ese "seed" holes weigh up to two mil­lion so­lar masses, and by merg­ing with a galaxy, the holes can grow into mon­sters in a few hun­dred mil­lion years.

In the young uni­verse, 1 grav­ity at­tracts gases to pro­duce a large disc of gas in a galaxy with­out any stars.

GAS DISC

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