WANING GIBBOUS MOON 19.7 DAYS OLD, 4.4 DAYS PAST FULL

moon The Moon is in its waning gibbous phase 19.7 days past new, 4.4 days past full. Here we see a close-up of the terminator, the sunset line where strong shadows show craters in sharp relief. The Imbrium basin is at top left (surrounded by the lunar Apennines), with Mare Serenitatis and Mare Tranquillitatis curving down and to the right. Dark Mare Vaporum is just above center. Craters at the terminator run from Eudoxus at the top to Zagut at bottom. The huge splash mark at far left surrounds Copernicus.

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By Jim Kaler. Return to MoonScapes, Skylights, or STARS.