Multiple choice general knowledge

Whose discovery, that there were other galaxies in existence besides the Milky Way, was announced in 1925 ?

  1. George Hale

  2. Harlow Shipley

  3. Edwin Hubble

  4. Milton Humason
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Edwin Hubble's observations at Mount Wilson Observatory proved that the Milky Way was not the entire universe, and his 1925 announcement revealed the existence of separate galaxies beyond our own. The Hubble Space Telescope was named in his honor.

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