TIL that the mere existence of other galaxies in the universe has only been known by humans for roughly 100 years; before that it was believed that the Milky Way contained every star in the universe.
TIL that the mere existence of other galaxies in the universe has only been known by humans for roughly 100 years; before that it was believed that the Milky Way contained every star in the universe. https://en.wikipedia.org/wiki/Milky_Way samkomododragon October 01, 2020 at 12:20AM
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