Featured Images

Debris Flows in Kepler Crater

This image shows the lower part of the northeast inner wall of the Kepler impact crater. Loose material is sliding down the inner crater from near the rim crest (upper right) and ponding on a part of the crater floor. LROC NAC...

Published on 06 Feb 2013

Meanders in Posidonius

Small portion of a S-shaped meandering rille on the floor of Posidonius Crater (31.93°N, 29.85°E, 100 km diameter) - a floor-fractured crater. The curves in the rille are very tight. LROC NAC M1098658474R [NASA/GSFC/Arizona State...

Published on 05 Feb 2013

Messy Melt

Unlike some melt ponds, this melt pond does not look very smooth! NAC M182116507LR, image width 910 m [NASA/GSFC/Arizona State University].

Published on 31 Jan 2013

Boulder Fields

Boulders of various sizes (a few meters up to ~20 meters across) scattered across the lunar surface. From where do the boulders originate? NAC M170605553LR, image width 510 m [NASA/GSFC/Arizona State University].

Published on 30 Jan 2013

Clam Shell

An oblique impact crater formed on the wall of Lalande C crater. Downslope toward lower right, north is down, NAC M170606751LR, image width 600 m [NASA/GSFC/Arizona State University].

Published on 29 Jan 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

Bullialdus Central Peak Oblique

The central peak of Bullialdus rises above the crater floor with the crater wall in the background. LROC NAC oblique M1099038207LR, north is to the left [NASA/GSFC/Arizona State University].

Published on 23 Jan 2013

Channels And Fractures

Stratigraphic relationships within impact melt deposits may be discovered with diligent observation! NAC M185971152L, image width ~1.8 km [NASA/GSFC/Arizona State University].

Published on 17 Jan 2013

Melt Overlap

Two lobes of impact melt overlapped before solidifying against the crater wall. NAC M185964003L, image width is ~1.8 km [NASA/GSFC/Arizona State University].

Published on 16 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

Offset Crater, Active Moon

A small offset crater in the nearside highlands. Image is 590 m across, LROC NAC frame M177562995R [NASA/GSFC/Arizona State University].

Published on 10 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

Symmetric Ejecta

A symmetric "starburst" ejecta blanket exposed with high Sun angle. Image is 660 m wide, LROC NAC frame M108108187L [NASA/GSFC/Arizona State University].

Published on 08 Jan 2013

Tres Amicis

Three impact craters (125-180 m diameter) that may have formed in a contemporaneous impact event. NAC image M106827539L [NASA/GSFC/Arizona State University].

Published on 04 Jan 2013

Up and Down / Back and Forth

Compression and extension in Mare Tranquillitatis. A northeast-trending wrinkle ridge has overridden a northwest-trending graben. LROC NAC image M192774961L [NASA/GSFC/Arizona State University].

Published on 03 Jan 2013

Sinuous Cracks

Northwestern rim of an unnamed crater located on southwest edge of Orientale basin. Image center is 22.110°S, 258.014°E, image width is 870 m. Downslope is to the lower-right. LROC NAC M184189330L [NASA/GSFC/Arizona State University].

Published on 31 Dec 2012

Swept Surface

A portion of the floor of Nicholson crater in LROC NAC M140468128R. Image center is 26.103°S, 274.952°E, image width is 612 meters [NASA/GSFC/Arizona State University].

Published on 28 Dec 2012

Southside, Aristarchus Crater

SE Aristarchus crater (40 km diameter) viewed obliquely from an altitude of 135 km, M1096850878LR [NASA/GSFC/Arizona State University].

Published on 25 Dec 2012

Infilled Trench

Lower portion of the eastern wall of the Orientale basin, LROC NAC M160498666R. Image center is 18.348°S, 275.769°E, image width is 500 m. Downslope is from lower right to the center [NASA/GSFC/Arizona State University]. 

Published on 21 Dec 2012

Crater on a Crater on a Crater

A small unnamed crater sits on the edge of a larger crater. LROC NAC M1107532088RE, image width is ~1000 m [NASA/GSFC/Arizona State University].

Published on 20 Dec 2012