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  2. December 2009 lunar eclipse - Wikipedia

    en.wikipedia.org/wiki/December_2009_lunar_eclipse

    This eclipse was the last of four lunar eclipses in 2009, with the others occurring on February 9 (penumbral), July 7 (penumbral), and August 6 (penumbral). This lunar eclipse was also notable, because it occurred during a blue moon (a second full moon in December) and was near perigee (making it a supermoon).

  3. Blue moon - Wikipedia

    en.wikipedia.org/wiki/Blue_moon

    A calendrical "blue moon" during the December 2009 lunar eclipse. Blue moon as a calendrical term originated with the 1937 Maine Farmers’ Almanac, a provincial U.S. magazine that is not to be confused with the Farmers' Almanac, Old Farmer's Almanac, or other American almanacs.

  4. July 2009 lunar eclipse - Wikipedia

    en.wikipedia.org/wiki/July_2009_lunar_eclipse

    A penumbral lunar eclipse occurred at the Moon’s ascending node of orbit on Tuesday, July 7, 2009, [1] with an umbral magnitude of −0.9116. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's ...

  5. What is a Blue Moon? - AOL

    www.aol.com/news/blue-moon-014307961.html

    A Blue Moon occurs when there are two full Moons during a single month or when there are four full Moons during a season. The second full Moon in a month is known as a monthly Blue Moon, while a ...

  6. AOL Video - Serving the best video content from AOL and ...

    www.aol.com/video/view/what-is-a-super-blue-moon...

    The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  7. August full moon will be a supermoon and blue moon. How rare ...

    www.aol.com/august-full-moon-supermoon-blue...

    The last seasonal blue moon was in August 2021, and the next one won't occur until May 20, 2027. ... A partial lunar eclipse on Sept. 17-18 will be visible over North America, Europe, Much of Asia

  8. August 2009 lunar eclipse - Wikipedia

    en.wikipedia.org/wiki/August_2009_lunar_eclipse

    A penumbral lunar eclipse occurred at the Moon’s ascending node of orbit on Thursday, August 6, 2009, [1] with an umbral magnitude of −0.6642. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's ...

  9. February 2009 lunar eclipse - Wikipedia

    en.wikipedia.org/wiki/February_2009_lunar_eclipse

    A penumbral lunar eclipse occurred at the Moon’s descending node of orbit on Monday, February 9, 2009, [1] with an umbral magnitude of −0.0863. A lunar eclipse occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened. A penumbral lunar eclipse occurs when part or all of the Moon's near side passes into the Earth's ...