Featured Images

Recent Impact in Oceanus Procellarum
A small amount of impact melt pooled and froze on the floor of this Copernican impact crater, and is 90 x 70 m in size. What process creates impact melt pools? LROC NAC M111972680LE, image width is 750 m [NASA/GSFC/Arizona State...
Published on 12 Aug 2011

Impact melt tongue
A bouldery tongue of impact melt in Jackson crater. Image number M133892450L, incidence angle 75°, image scale 0.83 m/pixels [NASA/GSFC/Arizona State University].
Published on 11 Aug 2011

Channelized impact melt
Channelized impact melt flow cut through pre-existing rock. Image number M103216633L, incidence angle 68°, image scale 1.4 m/pixels, sunlight direction is from the left [NASA/GSFC/Arizona State University].
Published on 10 Aug 2011

Waves
Waves of impact melt in Jackson crater. Sun direction is from the lower right hand corner. Image number M112658386R, incidence angle 46°, image scale 0.54 m/pixels [NASA/GSFC/Arizona State University].
Published on 09 Aug 2011

Tendrils in Reiner Crater
These elongate flows formed during their race towards the floor of Reiner crater. Boulders have piled up at the base of the flows. Are the flows impact melt, or something else? Downslope is to the upper left. LROC NAC M135548391LE,...
Published on 08 Aug 2011

Melt and more melt
Southwestern edge of Rümker E crater floor. Image scale is 0.5 m/pixel, image width is 500m, incidence angle 43°, sunlight is from south-west [NASA/GSFC/Arizona State University].
Published on 27 Jul 2011

Rootless impact melt flows
Impact melt flows extending out of Eimmart A crater. Image resolution is 0.5 m/pixel, image width is 500 m, incidence angle 44°, sunlight is from left [NASA/GSFC/Arizona State University].
Published on 26 Jul 2011

Splash and flow
Impact melt flowed across the primary ejecta of an unnamed Copernican-aged impact crater (46.75°N, 49.81°E). LROC NAC M159631206L,R; source crater toward the bottom [NASA/GSFC/Arizona State University].
Published on 14 Jul 2011

Das crater
An impact melt pool (lower right) within Das crater. Nearby boulders are the result of fractured impact melt, which have migrated downslope and formed talus (upper left). Uphill direction is to the top left. LROC NAC M136091866, image...
Published on 22 Jun 2011

Chaotic crater floor in Tycho
The floor of Tycho crater is covered in many places by a chaotic surface of impact melt forms. Image scale is 0.5 m/pixel, image width is 500m. Incidence angle 84°, sunlight is from left side [NASA/GSFC/Arizona State University].
Published on 15 Jun 2011

Polygonal fractures on Tycho ejecta deposits
Polygonal fractures on a flow lobe of impact melt splashed out of Tycho crater. Image scale is 0.52 meters/pixel, incidence angle is 69.1°, sunlight is from left [NASA/GSFC/Arizona State University].
Published on 14 Jun 2011

Look at that flow!
Spectacular rubbley impact melt, flowing away from its parent crater. Across the widest part of the terminal lobe, the flow is ~115 m. LROC NAC image M153863408R, image is 500 m across [NASA/GSFC/Arizona State University].
Published on 01 Jun 2011

Impact melt in Anaxagoras crater
Boulders clustered on a positive relief bulge in an impact melt deposit on the floor of Anaxagoras crater (73.5°N, 349.7°E); most of the boulders are 10 - 30 m across. LROC NAC M155309869R, image width is 910 m [NASA/GSFC/Arizona State...
Published on 31 May 2011

Fractured Impact Melt
Cracks in impact melt inside Thales crater. The smooth impact melt is fractured and then sprinkled with boulders from the neighboring slope. LROC NAC M157270357R, image scale is 0.53 meters/pixel, incidence angle is 62°...
Published on 26 May 2011

Pancakes in a melt pond
Pancake-like mound in Stevinus crater cavity (33.03°S, 54.07°N). Image number M104162457R, incidence angle 62°, image width is about 870 meters [NASA/GSFC/Arizona State University].
Published on 11 May 2011

Fault scarp with impact melt in King crater
A fault scarp separates two zones of impact melt within the King crater wall (5.0°N, 120.5°E). NAC image number M115529715RE; incidence angle 75°; Sun is from the right, image is ~900 meters across; north is up [NASA/GSFC/Arizona State...
Published on 10 May 2011

Impact melt on Klute W wall
Impact melt deposits on interior wall of Klute W crater. Image is 900 meters wide, LROC NAC M143201144RE [NASA/GSFC/Arizona State University].
Published on 01 Apr 2011

Fragmented Impact Melt
Western floor of Giordano Bruno crater. LROC NAC M110919730L, 0.61 m/pixel, image width is about 737 m. Illumination is from the lower right, incidence angle is 42° [NASA/GSFC/Arizona State University].
Published on 25 Feb 2011

Mounds in a melt pond
Bottom of Laplace A crater cavity. LROC NAC M129466485R, 0.80 m/pixel, image width is about 960 m. Sunlight is from lower-right side, incidence angle is 66° [NASA/GSFC/Arizona State University].
Published on 24 Feb 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