asked 76.9k views
3 votes
The universe began about 14 billion years ago and has been expanding and cooling ever since. What does this statement most completely describe?

the Doppler effect
the big bang theory
cosmic background radiation
light years

asked
User Speg
by
8.9k points

2 Answers

0 votes

Answer:

its the big bang theory

Step-by-step explanation:

answered
User Glech
by
8.1k points
4 votes

Answer:

the big bang theory

Step-by-step explanation:

answered
User Yurnom
by
7.8k points
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