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Дата изменения: Wed Sep 10 02:54:04 2003 Дата индексирования: Tue Oct 2 17:38:17 2012 Кодировка: Поисковые слова: vallis |
![]() (4c) The Brightest Moon of the CenturySince moonshine is really reflected sunlight, the full Moon is on the average slightly brighter in mid-winter, when Earth is closest to the Sun. In addition, the distance of the full Moon also varies, due to the ellipticity ("eccentricity") of the Moon's orbit. On 22 December, 1999, the two effects combined to produce the brightest full Moon of the century. On the preceding day, NASA released the following "Educational Update": ***********************************
On December 21st. 1866 the Lakota Sioux took advantage of this combination of occurrences and staged a devastating retaliatory ambush on soldiers in the Wyoming Territory. 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. Remember this will happen December 22, 1999.
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Additional Exploring"Astronomy Picture of the Day" devoted two sites to the above phenomenon:
On 12.22.1999 it showed the difference in the apparent size of the Moon, |
Next Stop: #4 The angle of the Sun's Rays
Timeline Glossary Back to the Master List
Author and Curator: Dr. David P. Stern
Mail to Dr.Stern: audavstern("at" symbol)erols.com .
Last updated: 12.13.2001