Philosopher Kant may have been the first to introduce the idea that nebula might be other galaxies. I doubt this fits the specifics point, however.
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Lighten up! This is a stellar board! Author: duh.
"The Sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the universe to do..." Author: Galileo supposedly.
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