The lunar terminator, the dividing line between the Moon’s sunlit and dark portions, provides stunning views, yet it can be challenging to sketch. As sunlight advances (during the Moon’s waxing phases) or retreats (during the waning phases), shadows along the terminator move swiftly. To capture the view quickly, I have found that drawing highlights is easier than capturing shadows. The following description of the sketch I made of three craters along the terminator illustrates what I mean.
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