jstack
What were some of Hubble's most important discoveries?
Edwin Hubble
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zapster
Replied to: What were some of Hubble's most important discoveries?
Hubble discovered that the Universe extends beyond the Milky Way galaxy.
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Thraxel
Replied to: Hubble discovered that the Universe extends beyond the Milky Way galaxy....
He identified several astronomical galaxies and confirmed that they were too far away to be a part of our own galaxy.