Science teachers in a summer physics class at Southeast Missouri State University relied on shadows Thursday to calculate the Earth's circumference during the summer solstice, the longest day of the ...
CC0 Usage Conditions ApplyClick for more information. About two thousand years ago, a Greek scholar named Eratosthenes used some sticks, shadows and math to calculate the circumference of the Earth.
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A more precise measure of Earth's wobble
Recently, the results of a 250-day experiment to refine a particular motion of our planet were published in the journal Science Advances. Lead author K. Ulrich Schreiber from the TUM Institute of ...
A San Luis Obispo resident rode the equivalent of the circumference of the Earth on his bike. Tony Murphy took 11 years to ride 24,901 miles on his bike, which is the same as one time around the Earth ...
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