Chapter 10.2 Flashcards
0
Q
Galaxy
A
An enormous collection of gases, dust, and billions of stars held together by gravity
1
Q
Nebula
A
Cloud of gas and dust
2
Q
Spiral galaxy
A
A galaxy which looks like a pinwheel, with a bludgeon in the middle
Mostly new stars
3
Q
Elliptical galaxy
A
Galaxies which can be round or oval
Some of the oldest stars
More than half of the galaxies in the universe
4
Q
Irregular galaxy
A
No obvious shape
Made of old and new stars
5
Q
Star clusters
A
Formation of stars in a galaxy held together by gravity
6
Q
Globular cluster
A
Star cluster with as many as a million stars
7
Q
Open cluster
A
Few hundred to 10s of thousands of stars
