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A Moment of Science

Posts tagged planet earth

July 15, 2008


Shadows of a camel caravan

Measuring the Earth with Camels

After proving that the earth is round, third century B.C. thinker Eratosthenes had the information he needed to measure the earth’s circumference.

August 21, 2007


Moon at night

Steady, Steady

The relatively small Earth, with its sizable moon, is the only planet we know of with life on it. Coincidence?

November 30, 2006




If you were standing on the moon would you really get to see the earth rise and set?

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