Earth-Moon Fire Pole

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Earth-Moon Fire Pole (what-if.xkcd.com)

Earth-Moon Fire Pole My son (5y) asked me today: If there were a kind of a fireman’s pole from the Moon down to the Earth, how long would it take to slide all the way from the Moon to the Earth? Ramon Schönborn, Germany First, let’s get a few things out of the way: In…

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