February 22, 2025
In the time it took you to read this, the Earth moved another thousand miles through space. You are not standing still. You never have been.
Rima Hyginus
Birthday · February 22, 2025
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APOD published February 22, 2025. Credit: Vincenzo Mirabella. A publication-date match, not a photo taken on your date. Independent of NASA.
Rima Hyginus is a spectacular fissure, some 220 kilometers long, found near the center of the lunar near side. Easy to spot in telescopic views of the Moon, it stretches top left to bottom right across this lunar closeup. The image was made with exaggerated colors that reflect the mineral composition of the lunar soil. Hyginus crater lies near the center of the narrow lunar surface groove. About 10 kilometers in diameter, the low-walled crater is a volcanic caldera, one of the larger non-impact craters on the lunar surface. Dotted with small pits formed by surface collapse, Hyginus rima itself was likely created by stresses due to internal magma upwelling and collapse along a long surface fault. The intriguing region was a candidate landing site for the canceled Apollo 19 mission.
Image credit: Vincenzo Mirabella