Beginner's Guide to Reading a Moon Map: Coordinates, Names, and Features
A practical walkthrough of lunar coordinates, IAU feature names, and the small orientation checks that make any moon map match what you actually see in the eyepiece.
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A practical walkthrough of lunar coordinates, IAU feature names, and the small orientation checks that make any moon map match what you actually see in the eyepiece.
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A supermoon is a full moon near perigee, only modestly larger than average. The dramatic horizon effect comes mostly from moon illusion, not a sudden change in size.
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The Moon's phase and its rise time are two faces of the same geometry. Here is how the angle between Sun and Moon sets your evening sky.
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