Featured Images

Lineations on the Melt

Impact melt sheet splashed from an unnamed crater inside Joule T. LROC NAC M184504856L. Image center is 27.536°N, 211.661°E, image width is 1440 meters. Downslope is from upper-left to lower-right [NASA/GSFC/Arizona State University].

Published on 19 Feb 2013

Numerov's Graben

Normal faults in regolith formed graben in Numerov crater. Only a handful of small craters superpose the faults, indicating a young age. LROC NAC M171619370RE, image width is 600 m [NASA/GSFC/Arizona State University].

Published on 14 Feb 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

A Lunar Dichotomy

This NAC frame exposes two seemingly different lithologies of rock; one dark with several craters, and one light with few craters. What are we observing? LROC NAC M1113062041RE, image width is 700 m [NASA/GSFC/Arizona State University].

Published on 12 Feb 2013

Archimedes Rock Garden

A group of rocks, a small shallow crater, and rays of ejecta occur together on one of the fault terraces of the crater Archimedes. LRO NAC M109256375R [NASA/GSFC/Arizona State University].

Published on 07 Feb 2013

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