Color image of full moon behind giant Martin Luther King Jr. statue.
Image Credit: NASA/Aubrey Gemignani
Published: September 21, 2017

The moon, or supermoon, is seen as it sets over the Martin Luther King Jr. Memorial on Monday, Nov. 14, 2016 in Washington.

A supermoon occurs when the moon’s orbit is closest (perigee) to Earth. Early Monday morning, the moon was the closest it has been to Earth since 1948 and it appeared 30 percent brighter and 14 percent bigger than the average monthly full moon.

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