JOHN SANFORD / SCIENCE PHOTO LIBRARY JOHN SANFORD / SCIENCE PHOTO LIBRARY
Waning, 23-day-old moon. The prominent crater at centre, just to the left of the terminator, is Copernicus. Due west (left) of it is Kepler, with the bright spot of Aristarchus above & slightly to the west of Kepler. The prominent crater due south of Copernicus is Bullialdus. Photographed Nov. UT, 20cm, f/10, S.C., EPD.
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