Earth Science Index Cards 5.4 Flashcards
1
Q
Big Bang Theory
A
The theory states that about
13.8 billion years ago, the universe expanded suddenly from a very hot, condensed
state.
2
Q
Plasma
A
This state of matter that consists of charged particles rather than neutral
atoms
3
Q
cosmic microwave background (CMB)
A
Is the remnant of the first light emitted 380000 years after the big bang.