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What is a penumbral lunar eclipse? - Daily Mail
URL: http://www.dailymail.co.uk/sciencetech/article-4220180/UFO-spotted-penumbral-lunar-eclipse.html
Submitted: Tue Feb 14 2017
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CT: UFOSeek News 2015: What is a penumbral lunar eclipse? - Daily Mail
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... This kind of eclipse happens between 0 and 9 times per century on average. The last one took place on March 14, 2006. The next is due in August 29, 2059; A total lunar eclipse of the moon happens when the inner part of Earth's shadow, called the ...