Featured Images

Vallis Alpes

A bottleneck at the start of the lunar sinuous rille within Vallis Alpes formed several morphologic features including (from left to right) a lava pond, a breached dam, and an island in the rille. Image width is 3.3 km, image resolution...

Published on 17 Dec 2009

A Very Sinuous Rille

Two oxbow bends along the length of a sinuous rille located on a mare-filled crater floor. The tight twists and turns of the rille suggest that a very turbulent lava flow formed this rille. Subarea of uncalibrated LROC NAC frame...

Published on 07 Oct 2009

Aratus CA

Subset of uncalibrated LROC NAC frame M104447576R showing Vallis Lorca, one of four lobes that make up Aratus CA in western Mare Serenitatis near the Montes Apennius. The Sun is shining from the lower left, image width is 1924 meters...

Published on 02 Oct 2009

Rima Ariadaeus - A Linear Rille

The linear rille Rima Ariadaeus is found on the nearside of the Moon, nestled between Mare Tranquillitatis and Mare Vaporum. Most linear rilles are believed to represent tectonic faulting and can be used to determine stratigraphic...

Published on 28 Sep 2009

Rille within a rille!

Sinuous rille winding its way across a much larger rille in the heart of the Aristarchus Plateau, image width 1.76 km [NASA/GSFC/Arizona State University].

Published on 18 Aug 2009