Multiple Choice
What do we mean when we say that the universe is expanding?
A) Average distances are increasing between star systems within galaxies.
B) Everything in the universe is gradually growing in size.
C) All galaxies are increasingly moving away from one another.
D) The statement is not meant to be literal;rather,it means that our knowledge of the universe is growing.
E) Individual galaxies are gradually growing in size.
Correct Answer:
Verified
Correct Answer:
Verified
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