Astronomers believe that the large elliptical galaxies formed
A) right after the Big Bang, looking just like they look today
B) from the collision and merger of many smaller fragments
C) only recently, less than a billion years ago (before that galaxies were spirals)
D) without the presence of any super-massive black holes
E) without any involvement of dark matter (just from matter we can detect)

Question

Quizplus · Accepted Answer

Large elliptical galaxies are believed to have formed from the collision and merger of many smaller fragments. This theory is supported by observations of remnants of galaxy collisions and simulations of galaxy formation.

Astronomers Believe That the Large Elliptical Galaxies Formed