Astronomy Picture of the Day Tycho and Copernicus: Lunar Ray
By A Mystery Man Writer
Description
Mountain in a crater! – Tycho
Western Slope Skies - Lunar Rays and Ray Craters
The Moon - December 1, 2017 : r/Astronomy
Wisconsin's Yerkes Observatory: A historical look back
Copernicus crater Bob Moler's Ephemeris Blog
Lunar Pioneer: LOLA's Tycho and the Apollo era
The Moon: why are lunar crater rays (e.g. from Tycho and Copernicus) visible at full moon and not at half moon? - Quora
Crater Ray SpringerLink
Moon Crater Guide for Lunar Observing (July 2012)
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