Photo of years smallest (farthest) full moon by Matthew Chin. The 2nd century BC astronomer Hipparchus used a diapoter (a caliper of sorts) to observe the changing angular diameter of the moon, so astronomers were well aware of the moon’s elliptical – oblong – orbit thousands of years ago. Years smallest full moon on January 15-16. Jupiter nearby bit.ly/L4EjeB Hipparchuss diopter bit.ly/1kDR8Nc
Posted on: Thu, 16 Jan 2014 12:45:46 +0000
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