Super Blue Blood Moon

Wide, bright Moon, partially obscured by mist, rising behind leafless trees.oon rising over trees.
NASA/Aubrey Gemignani
July 15, 2018
CreditNASA/Aubrey Gemignani
Historical DateJanuary 31, 2018
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The Moon is seen as it sets behind the National Capitol Columns at the US National Arboretum on Wednesday, Jan. 31, 2018 in Washington.

This full Moon is unique for three reasons: it is the third in a series of supermoons, occurring when the Moon is closer to Earth in its orbit. It is also the second full moon of the month, commonly known as a blue moon.