how do we know that the Universe is expanding?
A. the light from very distant galaxies is redshifted
B. the further away a galaxies is, the faster it's velocity
C. Hubble's telescope allowed us to observe distant galaxies
D. all of these
Answers
Answered by
1
Answer:
(D) All of These
Explanation:
Please mark as the brainliest
Answered by
1
Answer:
d is ur answer buddy.
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