Which of the following patterns in the Milky Way structure is consistent with the idea that the Milky Way has not suffered a major collision with another massive galaxy?
A) The halo is full of old stars orbiting in many different directions.
B) Globular clusters are compact groups of thousands of stars.
C) The disk is composed of stars of many different ages.
D) The disk is composed of stars orbiting in the same plane, same direction.
Question 2
An X-ray burster is similar to a nova.
Indicate whether the statement is true or false