Astronomers speculate that most galaxies have a massive black hole at their center. What could be the origin of the suspected black hole?
A) First, a supernova explosion formed a black hole, which in time became more massive by accretion.
B) the collision of galaxies
C) The gravitational attraction drew in stars from the disk.
D) the rapid rotation of the galaxy that compressed material to high densities
E) dark matter at the galactic center

Question

Quizplus · Accepted Answer

Massive black holes at the centers of galaxies are thought to originate from the remnants of massive stars that underwent supernova explosions, forming black holes that grew over time by accreting surrounding matter.

Astronomers Speculate That Most Galaxies Have a Massive Black Hole