Capter 20 The Universe Flashcards
1
Q
Star
A
Are huge spheres for hot gas that emit light and other radiation
2
Q
Light year
A
How many years it takes light to travel
3
Q
Gas giant
A
Pack large, reddish star late in its life cycle
4
Q
White dwarf
A
A small hot dim star that is the leftover center of an old star
5
Q
Supernova
A
A gigantic explosion in which a massive star collapses and throws its outer layer into space
6
Q
Black hole
A
An object so massive and dense that not even light can escape its gravity
7
Q
Nebula
A
Are the remains of a supernova
8
Q
Neutron star
A
The remains of a supernovas core
9
Q
Galaxies
A
A collection o millions or billions of stars
10
Q
Clusters
A
A group of stars or galaxies bound by gravity
11
Q
Interstellar matter
A
Gas and dust
