What effect did the revelation of billions of galaxies have on humanity’s perceived significance?

Answer

It reduced humanity from the center of creation to a speck in one unremarkable galaxy.

If the universe contained billions of galaxies, each containing billions of stars, then humanity’s significance was drastically reduced from the center of creation to a minuscule speck within one unremarkable galaxy.

What effect did the revelation of billions of galaxies have on humanity’s perceived significance?
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