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djyliett [7]
3 years ago
11

In the 1920s what did Edmund hubble notice about the galaxies

Physics
1 answer:
zlopas [31]3 years ago
5 0
Hubble noticed that the galaxies were moving away from us, which meant the universe was expanding.

This is why constellations change over time. In some years, the Big Dipper won't actually look like a dipper anymore.
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