Ray system of Tycho lunar crater, 1900 - Stock Image - C048/5366

Ray system of Tycho lunar crater, 1900. The Tycho crater (upper right) is 86 kilometres across, with the rays formed by ejecta from this major impact event that took place 108 million years ago. ROYAL ASTRONOMICAL SOCIETY/SCIENCE PHOTO LIBRARY

File:Tycho Crater Panorama.jpg - Wikimedia Commons

Ray system - Wikipedia

Ray system of Tycho lunar crater, 1900 - Stock Image - C048/5366 - Science Photo Library

A guide to the Moon's Tycho Crater - BBC Sky at Night Magazine

Tycho crater hi-res stock photography and images - Alamy

Tycho Crater - an overview

How to observe and photograph lunar ray ejecta systems - BBC Sky

Tycho crater hi-res stock photography and images - Alamy

A guide to the Moon's Tycho Crater - BBC Sky at Night Magazine

A guide to the Moon's Tycho Crater - BBC Sky at Night Magazine

The length of lunar crater rays explained using secondary crater

The origin of lunar crater rays - ScienceDirect