Friday, September 24, 2010

APOD 1.5-Autumnal Equinox and the Harvest Moon

              This year's autumnal equinox occurred yesterday, September 23rd at 3:09 (UT). The autumnal equinox is also called a 'harvest moon' as it is the first day of autumn and the harvesting season. On this day, the full moon is extremely bright because it is at opposition with the sun. Jupiter is also at opposition this time of year, so it could also be seen shining brightly underneath the full moon.

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