Reminds me of my favorite big perspective quote from Magnificent Universe:
Few stars ever experience a collision, whereas few large galaxies ever escape one. In our part of the Milky Way, stars are so far apart that they never collide: shrink the Sun to the size of a quarter and on the same scale, the nearest star would be four hundred miles away. But shrink the MIlky Way’s disc to the size of a quarter and it’s nearest large neighbor, Andromeda, would be just a foot and a half away, and the Milky Way’s satellites mere inches away. No wonder, then, that galaxies frequently bump into one another. (p.156)
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