What is an accretion disk?
A)any flattened disk in space,such as the disk of the Milky Way Galaxy
B)a disk of hot gas swirling rapidly around a white dwarf,neutron star,or black hole
C)a stream of gas flowing from one star to its binary companion star
D)a disk of material found around every white dwarf in the Milky Way Galaxy

Question

Quizplus · Accepted Answer

An accretion disk is a disk of hot gas that swirls rapidly around a white dwarf, neutron star, or black hole, and is the primary means by which matter falls onto these objects.

What Is an Accretion Disk