Featured Images

Rough Around the Edges

With peppered flanks, Rima Suess wanders over 150 km through Oceanus Procellarum. The rocks that rest on the walls of this lunar rille are perhaps remnants of much larger boulders that have eroded down to meter sized rocks due to micro...

Published on 05 Jun 2014

Eroding Crater Walls

High reflectance material poured down the walls toward the floor of Maskelyne B crater indicating interbedding of high reflectance and low reflectance layers in the walls. Image width is 2800 m and vertical relief is 1300 m (4250 feet)....

Published on 30 May 2014

A Kink in Rima Krieger

Rima Krieger winds its way through Oceanus Procellarum. Image width is ~ 3.5 km. Taken from LROC NAC image M1152172510R [NASA/GSFC/Arizona State University].

Published on 20 May 2014

Swept Slopes of Herigonius

Banded layers of mare basalts revealed in the east wall of Herigonius crater. The crater rim crest is located outside the top of the image (north to the left). Debris and boulders accumulate downslope (bottom) toward the crater floor....

Published on 08 Apr 2014

Faulted Kipuka

This striking mountain within Mare Imbrium was altered at its base by the formation of a lobate scarp. A wrinkle ridge runs into the base of the mountain (bottom right). Image width is approximately 4.5 km. LROC NAC image M1098943917R...

Published on 21 Mar 2014

Stratification in a Tranquil Sea

Bright talus winds downslope through crags and crannies in the banded scarps exposed in the east wall of Dionysius crater. Horizontal lineations result from differential mass wasting of stratified rock in Mare Tranquilitatis; LROC NAC...

Published on 13 Mar 2014

Wrinkled, But How Old?

LROC NAC image M139672711 showing a wrinkle ridge in eastern Mare Frigoris (centered at 54.430°N, 35.670°E). North is up. Image is ~2 km wide, illumination is from the south (bottom). [NASA/GSFC/Arizona State University].

Published on 21 Jan 2014

Making an Impact on History

LROC NAC image (M153014430L) of the Ranger 7 impact crater (bright crater near top center) in Mare Cognitum located at 339.323°E, 10.634°S. The crater is 14 meters in diameter; image width is 400 m. [NASA/GSFC/Arizona State University].

Published on 07 Nov 2013

Wrinkles in Mare Frigoris

A complex wrinkle ridge deforms Mare Frigoris (52.935°N; 11.131°E). NAC frame M181102837R, illumination is from the west (left), north is up, image is ~2.0 km wide. White arrow indicates small extensional feature discussed in text....

Published on 10 Oct 2013

Secondaries near Mare Moscoviense

A cluster of secondary craters found in the highlands adjacent to Mare Moscoviense (28.803°S; 142.876°E). NAC frame M1104980770R, illumination is from the southeast, north is up, image is ~1.4 km wide [NASA/GSFC/Arizona State University].

Published on 08 Oct 2013

That's a Relief

A color coded shaded relief map of a symmetrical mountain located in Mare Ingenii and centered at 35.969°S, 164.497°E. This peak is approximately 2.5 km in diameter and 230 meters tall. The colors represent elevation; high elevations...

Published on 01 Oct 2013

Wrinkle Ridge in Mare Crisium

A complex wrinkle ridge in Mare Crisium at low Sun (illumination is from the right). Boulders occupy the tops of mounds on the west ridge, and the central depression is more heavily cratered than the ridge. LROC NAC M146573730RE, image...

Published on 13 Feb 2013

Almost Submerged

Lunar mare basalt flows partially cover a crater. LROC NAC M186105790L, image width is 1 km [NASA/GSFC/Arizona State University].

Published on 24 Jan 2013

Really Wrinkled

A wrinkle ridge in Mare Frigoris deformed the mare. NAC M185963754R, image width is ~1.75 km [NASA/GSFC/Arizona State University].

Published on 15 Jan 2013

Boulders In The Sea Of Serenity

A wrinkle ridge in western Mare Serenitatis is littered with boulders and high-albedo (bright) areas. Image is ~1.5 km across, NAC M106826896L [NASA/GSFC/Arizona State University].

Published on 09 Jan 2013

Ghost crater in Mare Imbrium

A high reflectance line curves through a flat portion of mare basalt. The line is elevated relative to the basalt and is populated with bright boulders. LROC NAC 1098979692LE, image width is 1700 [NASA/GSFC/Arizona State University].

Published on 07 Nov 2012

The Ghosts of Mare Fecunditatis

A gentle topographic high marks the location of an ancient crater rim in Mare Fecunditatis (7.8°S; 51.3°E). NAC frame M146662326L, illumination is from the east, north is up, image is ~1 km wide [NASA/GSFC/Arizona State University].

Published on 31 Oct 2012

Mounded Floor

Blocky crater (~500 m diameter) with a central mound, located in Mare Frigoris. NAC M170605553R, image width 800 m [NASA/GSFC/Arizona State University].

Published on 07 Aug 2012

The Swirls of Mare Ingenii

An oblique view of Mare Ingenii and the swirl that marks its floor. Scene is approximately 15 km across (subsampled from the native resolution); NAC images M191830503L,R [NASA/GSFC/Arizona State University].

Published on 21 Jun 2012

The Rays of Messier A

A mare surface peppered with hundreds of small craters. Image width is 620 m, NAC frame M159650657L [NASA/GSFC/Arizona State University].

Published on 05 Apr 2012