How does the diameter of the disk of Milky Way Galaxy compare to its thickness?
A) The diameter is about 100 times as great as the thickness.
B) The diameter and thickness are roughly equal.
C) The diameter is about 10 times as great as the thickness.
D) The diameter is about 100,000 times as great as the thickness.

Question

Quizplus · Accepted Answer

The Milky Way Galaxy's disk is approximately 100,000 light-years in diameter and about 1,000 light-years thick, making the diameter about 100 times greater than the thickness.

How Does the Diameter of the Disk of Milky Way