Section 16.C Galaxy Collisions

Question 1

Realize what causes tails of material to be torn off a galaxy during interaction or a near miss with another galaxy

Answer 1

tides that come

from the force of gravity

Question 2

3. If you are asked what happens during a collision between galaxies, you need to know what objects get born during that.

Answer 2

shock waves occur and new stars are born

Question 3

4. What color will a galaxy have if it has a lot of new stars that have been born?

Answer 3

Blue

Question 4

5. Be able to match the word cannibalism with a correct description of it.

Answer 4

when a small galaxy is disappears into a much larger galaxy, the larger galaxy is slightly affected

Question 5

How do we get two giant black holes orbiting around each other at the center of a galaxy? Does one black hole split into two? Or do two galaxies merge and bring their black holes close together?

Answer 5

two black holes orbit each other, spiral inward and eventually merge