1
smaller than a galaxy and found within galaxies
2
a galaxy that is a round or flat disc
3
a stars distance is measured in _____
4
a galaxy with no orderly shape
5
a supergiant exploding is called ____
6
we live in the _____ galaxy
7
a type of magnitude that shows its true or actual brightness
8
a large group of billion of stars in empty space
9
the smallest stars are the _______ stars
10
leftovers from a supernova
11
stars burn because of nuclear ______
12
"middle aged" galaxies
13
a star are born out of clouds of dust and gases called a _____
14
stars are contained ___ galaxies, not randomly in space
15
the sun is a ____ star
16
massive ball of plasma that emits light and electromagnetic energy throughout the universe
