Reiner Gamma

Most famous of the mysterious "lunar swirls".

What Lunar Swirls Aren't (Mar 2011)

 * see Reiner Gamma, Mare Ingenii


 * http://www.skyandtelescope.com/news/118592329.html

Mysterious Swirls on the Moon (Jul 2011)

 * http://news.discovery.com/space/natures-graffiti-art-on-the-moon.html