Featured Images

Farside Highlands Volcanism!

Small dome in the Compton-Belkovich region (61.33 °N, 99.68 °E). Evidence indicates a volcanic origin for this and other intriguing features in the region. Incidence angle is 64°, Sun is from the SSW, image is ~510 m across. NAC image...

Published on 25 Jul 2011

Bouldery crater near Mare Australe

Low Sun image of a fresh crater in the lunar highlands. Boulders are scattered within and around the 550 m crater. Image width is 950m, LROC NAC M150062296R [NASA/GSFC/Arizona State University].

Published on 13 Apr 2011

Farside northern highlands

Rugged highland terrain on the farside of the Moon, south of Cantor crater. Image width is ~3.4 km [NASA/GSFC/Arizona State University].

Published on 15 Feb 2011

Rimae Bürg

Rimae Bürg is a linear rille, with an average width of 2 km. This rille extends into Lacus Mortis for more than 60 km, and continues into the highland terrain, where it becomes obscured and then reappears as a ridge. Illumination from...

Published on 11 Feb 2011

Small crater at the southern rim of Menelaus

LROC Wide Angle Camera mosaic of Menelaus crater at the boundary between Mare Serenitatis and the highlands (dotted line). Broad ejecta rays extend along the mare-highlands boundary and also in the NE-SW direction. In this image, the...

Published on 27 Oct 2010

Forked Impact Melt Flows at Farside Crater

Impact melt flow split into two distinct segments. The source crater is 2.5 km to the south in a region of the farside highlands ENE of Mare Moscoviense. Image width is 1.3 km, and the pixel width is 1.25 m, NAC Image M112902715L,...

Published on 22 Jun 2010

Mare Humboldtianum Constellation region of interest

Small crater and associated boulders near the center of the Constellation region of interest in Mare Humboldtianum, located at the mare-highlands boundary. Note the different textures of the highlands (in the lower left) and the mare...

Published on 03 Jun 2010

Rima Bode: Constellation region of interest

LROC NAC closeup of a small fresh crater (230 m across) with very dark ejecta within the regional pyroclastic deposit in the highlands near Rima Bode II. This site is near a NASA Constellation region of interest. This crater has...

Published on 18 May 2010

Dante Crater Constellation Region of Interest

Highlands terrain inside the Dante Crater Constellation Site. A portion of LROC NAC image M121044107R, 580 m across. [NASA/GSFC/Arizona State University]

Published on 20 Apr 2010

Apollo Basin: Mare in a Sea of Highlands

High resolution LROC image of floor of the Apollo Basin, a large (538 km diameter) double-ringed impact crater in the southern hemisphere of the far side. This image shows part of the boundary between  two flow units within the...

Published on 30 Mar 2010

Soviet Union Lunar Sample Return Missions

On February 21, 1972, Luna 20 soft landed in the rugged highlands between Mare Fecunditatis and Mare Crisium. The next day a sample return capsule blasted off carrying 55 grams of lunar soil. The Luna 20 descent stage still sits...

Published on 15 Mar 2010

Near the Summit of Malapert Mountain

The lunar highlands exhibit rhythmic patterns thought to result from slow, downslope creep of the loose regolith (soil). These subtle patterns are most easily seen when the Sun is low to the horizon. Image is 2400 meters wide, north is...

Published on 22 Feb 2010

Montes Pyrenaeus meets Mare Nectaris

A contact between the dark basalt (left) of Mare Nectaris and the lighter anorthosite highlands (right) of Montes Pyrenaeus runs through the Constellation Program region of interest on the western rim of the Nectaris impact basin. ...

Published on 28 Jan 2010

Mare Moscoviense Constellation Site

A very subtle mare-highlands boundary in Mare Moscoviense on the lunar farside, near the center of the Constellation Program region of interest. The generalized geologic contact between the mare and the highlands has been highlighted...

Published on 04 Jan 2010

Debris flows I

Debris flow extending down the southwest wall of Janssen K crater (a highlands crater about 16 km in diameter). Image width is 570 meters (NASA/GSFC/Arizona State University).

Published on 04 Dec 2009

More Impact Melt!

Frozen impact melt flows on the floor of Moore F, a farside highlands crater. Image width 600 m, 0.61 m/pixel,  NAC image M110383422LE [NASA/GSFC/Arizona State University].

Published on 30 Oct 2009

Bright Boulder Trail

High-albedo marks on the lunar surface left by a boulder bouncing down the northeast wall of farside highlands crater Moore F. Image width is 610 meters [NASA/GSFC/Arizona State University].

Published on 21 Oct 2009

Asymmetric Ejecta

Distinctive asymmetrical ejecta surrounding a 140 meter diameter crater in the lunar highlands. Crater is located on the northeastern rim of the eroded (pre-Nectarian) crater Hommel at -52.9° N and 34.6° E. Image width is 600 meters and...

Published on 13 Oct 2009

Ejecta sweeps the surface

Ejecta of a fresh crater streams across the the lunar highlands south of Mare Tranquillitatis. Image width is 520 m [NASA/GSFC/Arizona State University].

Published on 11 Oct 2009

Where Moscoviense meets the Highlands

The edge of Mare Moscoviense. Image width is 1.4 km [NASA/GSFC/Arizona State University].

Published on 06 Oct 2009