Glacial Erratic

Glacial Erratic

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"This will take a while, which sucks, because I'm already so busy chiseling out igneous intrusions from rock formations and watching Youtube loops of the Superman fault-sealing scene over and over."

What If? is now on YouTube!
Check out the first video for the answer to
“What if we aimed the Hubble Telescope at Earth?”
and follow xkcd’s What If? The Video Series channel to be notified about each new video.