Featured Images
Jenner Crater: Mare Flooded Floor
A nascent 15 km wrinkle ridge in Jenner crater. Wrinkle ridges help lunar scientists understand the stresses affecting a region. LROC NAC M115693540LE, image width is 1350 m [NASA/GSFC/Arizona State University].
Published on 21 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
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
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
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
Dry debris or liquid flow?
A granular debris flow on the wall of Stevinus A (downhill to the right). A 7 m diameter boulder impedes the progress of the flow, which bifurcates and reconnects about 10 m downhill. LROC NAC M154893929R, image is 500 m across...
Published on 02 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
Granular Flow
A dry flow of boulders down the slope of Riccioli CA's inner wall. Slope direction is from the bottom right hand corner to the upper left hand corner. LROC NAC M112074670R, image scale is 0.5 meters/pixel, incidence angle is...
Published on 25 May 2011
Crater in Mare Humorum
This crater, located in Mare Humorum, is relatively fresh and very bouldered. LROC NAC M157851844LE, image width is 500 m [NASA/GSFC/Arizona State University].
Published on 24 May 2011
Steps in Slipher S
Boulders on the floor of Slipher S crater. Some boulders are covered with impact melt, while others are well exposed. The Sun angle is from the bottom right, and the crater floor is sloped downwards to the top left. LROC NAC...
Published on 19 May 2011
Dark landslide near van Gent crater
A landslide within a small crater near van Gent crater. The crater rim is in the top right while the crater floor is in the bottom left. The landslide has exposed many boulder within the crater wall. LROC NAC M156550640RE, image width...
Published on 18 May 2011
Dark surface materials surrounding Rima Marius
Dark surface materials on the plateau surrounding Rima Marius (17.63°N, 309.02°E). Image number M137882287R, incidence angle 35°, image width is 660 meters [NASA/GSFC/Arizona State University].
Published on 17 May 2011
Discontinuous rilles
Northwestern edge of disconnected depression (14.53°N, 311.43°E) from Rima Marius. Image number M135507533R, incidence angle 58°, image width is 550 meters [NASA/GSFC/Arizona State University].
Published on 12 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
Project Mercury Photography Now Online
Alan Shepard's view of space from Freedom 7 [NASA/JSC/Arizona State University]!
Published on 05 May 2011
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