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T O P I C R E V I E Wastro junkie"... What makes this full moon small? Answer: The moon's lopsided orbit. Although astronomers often say the moon "circles" the Earth, it doesn't, not exactly. The moon's orbit is really an ellipse. One side of the ellipse is 356,400 km from Earth; this is called perigee. The other side of the ellipse is 406,700 km from Earth; this is called apogee. Apogee is about 50,000 km farther from Earth than perigee..." http://science.nasa.gov/headlines/y2004/22dec_christmas.htm?aol766310
Although astronomers often say the moon "circles" the Earth, it doesn't, not exactly. The moon's orbit is really an ellipse. One side of the ellipse is 356,400 km from Earth; this is called perigee. The other side of the ellipse is 406,700 km from Earth; this is called apogee. Apogee is about 50,000 km farther from Earth than perigee..."
http://science.nasa.gov/headlines/y2004/22dec_christmas.htm?aol766310
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