How to measure the distance from the Earth to the Moon [Madscience]

The ancient Greeks did it, and you can too. Find out how some easily observable facts allow you to measure the approximate distance from the Earth to the Moon. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/xia8kEdZrBQ/how-to-measure-the-distance-from-the-earth-to-the-moon

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