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Comment Re:what if...? (Score 1) 301

A much more likely problem than an asteroid hitting the earth is a "supervolcano" eruption. These happen WAY more frequently than giant asteroid hits, and they're just as bad. Yellowstone National Park is a supervolcano that erupts about every 600,000 years. Guess how long since it's erupted? 640,000 years.

What do we do when there's no sun hitting the earth's surface for six months?

We warn the reader in advance that the proof presented here depends on a clever but highly unmotivated trick. -- Howard Anton, "Elementary Linear Algebra"