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aug 2, 1954 - Major discoveries
Description:
Showed that the Universe is much larger than we thought.
Proved the Universe is expanding
His discoveries helped support the Big Bang Theory
Added to timeline:
Henrietta Leavitt
By
Shawn Cunning
2 Oct 2018
0
0
497
Date:
aug 2, 1954
Now
~ 71 years ago
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