chapter 31.3 and 31.4 flash cards
(8 cards)
1
Q
a large group of stars dust and gas held together by gravity
A
galaxy
2
Q
large group of stars
A
milky way
3
Q
large group of galaxies
A
local group
4
Q
a study of how the universe began
A
cosmology
5
Q
data found of how the universe formed
A
big bang theory
6
Q
residual microwave radiation emitted when the universe was young
A
cosmic background radiation
7
Q
invisable form of matter that does not emit and detectable electromagnetic energy of its own
A
dark matter
8
Q
invisiable form or energy that causes the universe to expand at a faster rate
A
dark energy
