Featured Images
![At the Top of the Avalanche](/news/uploads/LROCiotw/M139504224L.thumb.png)
At the Top of the Avalanche
Bedrock benches are visible near the top of an avalanche on the central peak of Langrenus crater (8.79°S, 61.22°W). LROC NAC M139504224L, downslope is to the lower left, image width is ~550 m [NASA/GSFC/Arizona State University].
Published on 06 Oct 2011
![An Ill-defined Portion of an Otherwise Circular Rim](/news/uploads/LROCiotw/M139694087R_thumb.png)
An Ill-defined Portion of an Otherwise Circular Rim
A neat crater rim (upper right) is abruptly truncated by a pile of debris (lower left). LROC NAC M139694087R, north is up, incidence angle is 9.32°, image width is 500 m [NASA/GSFC/Arizona State University].
Published on 05 Oct 2011
![A Scar in the Highlands](/news/uploads/LROCiotw/M153632648L_thumb.png)
A Scar in the Highlands
A curvilinear valley calls attention to itself by virtue of its apparent isolation from the surrounding terrain. LROC NAC M153632648L, north is up, sun is from the southwest, incidence angle 33°, image width is ~460 m [NASA/GSFC/Arizona...
Published on 04 Oct 2011
![A Gathering in Lacus Mortis](/news/uploads/LROCiotw/M111415328L_thumb.png)
A Gathering in Lacus Mortis
Boulders meet in a valley of the central peak of Bürg crater (45.0°N, 27.2°E). NAC image M111415328L; incidence angle is 51.7°. Sun is from the south-southeast, north is up, image is ~440 m across [NASA/GSFC/Arizona State University].
Published on 22 Sep 2011
![On the Shore of the Bay of Rainbows](/news/uploads/LROCiotw/M104726204L_thumb.png)
On the Shore of the Bay of Rainbows
A pair of small craters show different albedos within a spectacular ejecta display along the shore of Sinus Iridum (47.9°N, 31.7°W). NAC image M104726204L, incidence angle 65°, Sun is from the southwest, north is up, image is ~1.6 km...
Published on 21 Sep 2011
![Dark Wisps in Copernicus](/news/uploads/LROCiotw/M111735067L.png)
Dark Wisps in Copernicus
Dark streaks ornament a slope along the Copernicus crater rim (9.3°N, 21.5°W). Down-slope is to the right. NAC image M11735067L, incidence angle 32°, Sun is from the east, north is up, image is ~400 meters across [NASA/GSFC/Arizona...
Published on 20 Sep 2011
![The Lavish Lobes of Necho R](/news/uploads/LROCiotw/M106074338R.thumb.png)
The Lavish Lobes of Necho R
What geologic process created these mounds (5.72°S, 122.09°E)? NAC image number M106074338R; incidence angle 35°, Sun is from the west, north is up, image is ~600 meters across [NASA/GSFC/Arizona State University].
Published on 21 Jul 2011
![Crash or Coincidence?](/news/uploads/LROCiotw/M141485413R.thumb.png)
Crash or Coincidence?
An odd-looking impact feature raises an intriguing, Apollo-era trivia question (3.02°N, 119.15°E). NAC image number M141485413; incidence angle 12°; Sun is from the east; north is up; image is ~600 meters across [NASA/GSFC/Arizona State...
Published on 20 Jul 2011
![Layering in Messier A](/news/uploads/LROCiotw/M126622485R.thumb.png)
Layering in Messier A
Avalanches festoon the layered walls of Messier A crater (2.2°S, 46.9°E). NAC image number M126622485R, incidence angle 25°, Sun is from the east, north is up, image is ~625 meters across [NASA/GSFC/Arizona State University].
Published on 19 Jul 2011
![Frozen in Time](/news/uploads/LROCiotw/M137875459R_thumb.png)
Frozen in Time
Boulder migration is arrested by a gentle change in slope (20.14°N, 310.03°E). NAC image number M137875459R; incidence angle 36°; sun is from the southwest; north is up; image is ~460 meters across [NASA/GSFC/Arizona State University]
Published on 09 Jun 2011
![Rubble Pile on Fresh Crater Floor](/news/uploads/LROCiotw/M112047758R_stretch.png)
Rubble Pile on Fresh Crater Floor
Appearing highly textured, a mixture of boulders, cobbles, and fine material partly fills a relatively fresh impact crater (12.7°S, 291.2°E). NAC image number M112047758R; incidence angle 35°; sun is from the east; north is up; image is...
Published on 08 Jun 2011
![Dark-haloed crater in Mare Humorum](/news/uploads/LROCiotw/M140203430R.thumb.png)
Dark-haloed crater in Mare Humorum
Dark- and light-toned lunar soils contrast sharply in this striking image of a dark-haloed crater in Mare Humorum (24.8°S, 45.0°W). NAC image number M140203430R; incidence angle 24°; Sun is from the north; north is up; image is ~450...
Published on 07 Jun 2011
![Fault scarp with impact melt in King crater](/news/uploads/LROCiotw/M115529715RE_thumb.png)
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
![King crater ejecta deposits](/news/uploads/LROCiotw/M103739394LE_thumb1.png)
King crater ejecta deposits
Deceleration lobes in King crater (5.0°N, 120.5°E) ejecta. Image number M103739394LE; incidence angle 61°; image is ~1,200 meters across [NASA/GSFC/Arizona State University]
Published on 04 May 2011
![Anomalous mounds on the King crater floor](/news/uploads/LROCiotw/M115522928LE_thumb.png)
Anomalous mounds on the King crater floor
Odd-looking mounds on the floor of King crater (5.0°N, 120.5°E). Image number M115522928LE; incidence angle 75°; image is ~900 meters across [NASA/GSFC/Arizona State University]
Published on 03 May 2011
![Impact melt on Klute W wall](/news/uploads/LROCiotw/M143201144RE_2_thumb.png)
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
![Post-impact modification of Klute W](/news/uploads/M143201144RE_thumb.png)
Post-impact modification of Klute W
Fractured and slumping rim of Klute W crater. Image is 900 meters wide, LROC NAC M143201144RE [NASA/GSFC/Arizona State University].
Published on 31 Mar 2011