Which Comes First: Galaxy or Black Hole? - Universe Today
[/caption] Do galaxies form first and then a black hole springs up in the center, or possibly, do galaxies form around an already existing black hole? That’s the cosmic chicken-and-the-egg problem astronomers have been trying to figure out. The answer? “It looks like the black holes form before the host galaxy, and somehow grow a … Continue reading "Which Comes First: Galaxy or Black Hole?"