North Ray (crater) - Wikipedia

List of craters with ray systems - Wikipedia

Euler - The Moon

North Ray (crater) - Wikipedia

Espin (crater) - Wikipedia

How Young is Young? Lunar Reconnaissance Orbiter Camera

Impact crater - Wikipedia

Count areas around the North Ray (a) and South Ray (b) craters

Pasteur (lunar crater) - Wikiwand

South Ray (crater) - Wikipedia

Krieger (crater) - Wikipedia

North Ray (crater) - Wikipedia

Impact crater - Wikipedia

5 of the Most Significant Impact Craters in North America