Lunar Libration
From the author of Sizing Up The Universe
One year... January 1, 2020, to December 31, 2020
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One month... July 16, 2019, to August 15, 2019
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One year... January 1, 2020, to December 31, 2020
Click here for a higher resolution version.
One month... July 16, 2019, to August 15, 2019
Click here for a higher quality version.