Featured Images

Rille in Aitken Crater!

The beginning, or end, of a short rille in Aitken crater. This rille is 5 km long and 600 m wide. LROC NAC M149391207, image width is 900 m [NASA/GSFC/Arizona State University].

Published on 27 Jan 2011

Exposed Boulders in the Aitken Mare

Boulders eroding out of the hillslope and concentrated between two hills. NAC image M143480262, image width is 700 m [NASA/GSFC/Arizona State University].

Published on 26 Jan 2011

Terraced Craters in Aitken Crater

Small crater within Aitken crater. It has a terraced and hummocky floor, with boulders strewn about, and no bright rays. NAC image M145855135RE, image width is 700 m [NASA/GSFC/Arizona State University].

Published on 25 Jan 2011

Wrinkle Ridges in Aitken Crater!

Mare basalts and hummocky ejecta both displaying wrinkle ridges in Aitken crater. NAC M105730242, image width is 1.6 km, Sun is from upper left [NASA/GSFC/Arizona State University].

Published on 20 Jan 2011

Impact melt features in Tycho crater's floor

Depressions and positive relief features in Tycho crater were caused by a complex mixture of granular material and impact melt settling to the floor. Image width is 370 m, LROC NAC M119923147L [NASA/GSFC/Arizona State University].

Published on 09 Dec 2010

Ejecta in Tycho crater

320 m block of ejecta in Tycho crater covered by a veneer of impact melt. Image width is 370 m, LROC NAC 142334392RE [NASA/GFSC/Arizona State University].

Published on 08 Dec 2010

Kepler Crater - Central Peak

Boulders and simple craters perched on top of Kepler crater's central peak. LROC NAC M111843702R, image width is 500 m [NASA/GSFC/Arizona State University].

Published on 12 Nov 2010

Kepler's Rim

Steep interior wall of Kepler crater, rim is to the upper left and the bottom of the crater is in the lower right. Note the exposed layering near the top, and the boulders collecting at the base of the crater wall. LROC NAC M107128381R,...

Published on 10 Nov 2010

Kepler Crater Ejecta

Large boulder ejected from Kepler crater, a small depression from the boulder's impact is just visible. LROC NAC M140155410L, image width is 800 m [NASA/GFSC/Arizona State University].

Published on 09 Nov 2010

Eratosthenes Central Peak

Sunrise image of the Eratosthenes central peak summit. LROC NAC image M131725388L; width is 600 m [NASA/GFSC/Arizona State University].

Published on 08 Oct 2010

Terraces in Eratosthenes Crater

Like many complex craters on the Moon, Eratosthenes exhibits terraces (upper left) within its rim. Terraces form as the walls of the crater slump down, creating a landslide while leaving the upper portion of the wall intact. LROC NAC...

Published on 07 Oct 2010

Eratosthenes Crater and the Lunar Timescale

The northeast rim of Eratosthenes crater is easily seen as the change in reflectance due to differing slopes - higher reflectance terrain in the lower left is the steeply sloping interior. LROC NAC image M117562615L, image width is 600...

Published on 06 Oct 2010