Astronomy - any star lovers out there? Message Board

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Pastimes : Astronomy - any star lovers out there?

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To: Jon Khymn who wrote ()	12/16/1999 8:40:00 PM
From: John Inine	Read Replies (1) of 180

Unusual orbital alignment in Dec. will result in very bright full moon. (Thanks to T L Comiskey who posted this on the QCOM thread). This year a full moon will occur on the winter solstice, Dec. 22, commonly called the first day of winter. Since the full moon on the winter solstice will occur in conjunction with a lunar perigee (point in the moon's orbit that is closest to Earth) The moon will appear about 14% larger than it does at apogee (the point in it's elliptical orbit that is farthest from the Earth). Since the Earth is also several million miles closer to the sun at this time of the year than in the summer, sunlight striking the moon is about 7% stronger making it brighter. Also, this will be the closest perigee of the Moon of the year since the moon's orbit is constantly deforming. If the weather is clear and there is a snow cover where you live, it is believed that car headlights will be superfluous. (Disclaimer: Don't try this at home !) In laymen's terms, it will be a super bright full moon, much more than the usual AND it hasn't happened this way for 133 years! Our ancestors 133 years ago saw this. Our descendants 100 or so years from now will see this again.

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