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Strange Universe With Bob Berman
Strange Universe

The Waning Gibbous Moon

By Bob Berman
Published September 5, 2023 at 12:37 PM EDT
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NASA / Expedition 67, International Space Station (ISS)

The moon now has its strangest appearance. Several nights this week the moon will be in a lunar phase, the only one whose shape is not universally known. Everyone can identify a crescent or half or the full moon. But now we have a gibbous moon. That's the phase fatter than half but smaller than full.

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Strange Universe NASAThe Half Mooncrescent moon
Bob Berman
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