How to observe and photograph lunar ray ejecta systems - BBC Sky
Moon II : beyond craters
Solved Tycho crater is prominently seen on the Moon in the
Juno Spots Dark-Rayed Crater on Ganymede
PSRD:: Lunar Crater Rays
Figure 5 from The nature of crater rays: The Copernicus example
The Astronomy Cafe - Ask the Astronomer
How to observe and photograph lunar ray ejecta systems - BBC Sky
Ring-Moon Systems Node - PIA01515: Bright Ray Craters in
John Young at South Ray Crater Lunar Reconnaissance Orbiter Camera
Ray craters - The Moon