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Egede A crater channelized melt

Egede A crater channelized melt

Impact melt from nearby Egede A crater formed channels as it flowed one kilometer down slope. Cracks in the melt probably formed as a result of cooling and inflation. LROC NAC M175204950LE, image width is 500 m [NASA/GSFC/Arizona State...

Published on 06 Nov 2012

Scours and Ejecta Near Jules Verne Y

Scours and Ejecta Near Jules Verne Y

A topographic depression is mantled by impact debris (31.4°S; 145.0°E). NAC frame M130700036R, illumination is from the east, north is up, image is 800 m wide [NASA/GSFC/Arizona State University].

Published on 01 Nov 2012

The Ghosts of Mare Fecunditatis

The Ghosts of Mare Fecunditatis

A gentle topographic high marks the location of an ancient crater rim in Mare Fecunditatis (7.8°S; 51.3°E). NAC frame M146662326L, illumination is from the east, north is up, image is ~1 km wide [NASA/GSFC/Arizona State University].

Published on 31 Oct 2012

The Old and the Young in Tsiolkovskiy

The Old and the Young in Tsiolkovskiy

A recent impact narrowly missed an ancient extensional crack in Tsiolkovskiy crater (18.97°S; 130.34°E). Its crater is in the lower left. NAC frame M161455429R, illumination is from the east, north is up, image is 800 m wide...

Published on 30 Oct 2012

Impact melt outside Wiener F

Impact melt outside Wiener F

Fractures in impact melt. LROC NAC M141287909R, image is 470 meter across [NASA/GSFC/Arizona State University].

Published on 26 Oct 2012

Bounce, Roll, and Stop

Bounce, Roll, and Stop

Boulders bounced and rolled down the interior wall of the crater Shuckburgh E leaving a diagnostic trail. LROC NAC M141885094R, image is 655 meters across [NASA/GSFC/Arizona State University].

Published on 24 Oct 2012

Icarus

Icarus

A beautiful, young crater inside of the complex crater Icarus. LROC NAC M156367058L, image is 550 m across [NASA/GSFC/Arizona State University].

Published on 23 Oct 2012

How Recent?

How Recent?

Granular debris flows cascade down the wall of a young crater. Geologically these are young features - but how young? NAC M185961505L, downslope to lower right, north is down, image width ~696 m [NASA/GSFC/Arizona State University].

Published on 18 Oct 2012

Bench Crater

Bench Crater

A beautiful bench crater formed in melt trapped on a crater wall terrace. NAC M185961318R, image width 520 m [NASA/GSFC/Arizona State University].

Published on 17 Oct 2012

Winding Channel of Melt

Winding Channel of Melt

Impact melt channel winding its way down the crater wall on its descent to the floor. NAC M185956855L, image width 2.2 km, downslope to upper left [NASA/GSFC/Arizona State University].

Published on 16 Oct 2012

Hole on A Melt Sheet

Hole on A Melt Sheet

A portion of the impact melt sheet on the floor of crater Korolev X. Image center is 0.699°N, 200.594°E, image width is 638 m. Sunlight is from right. NAC M145664820R [NASA/GSFC/Arizona State University].

Published on 11 Oct 2012

Branched Impact Melts

Branched Impact Melts

Impact melt on the northern rim of an unnamed crater. Image center is 0.133ºN, 85.205ºE, image width is 500 m, downslope is towards the top. NAC 139348293R [NASA/GSFC/Arizona State University].

Published on 10 Oct 2012

Dynamics of Molten Rocks

Dynamics of Molten Rocks

A portion of the impact melt near the western rim of Mandel'shtam F crater. Image center is 0.130ºN, 165.822ºE, image width is 1182 m. NAC M189515239R [NASA/GSFC/Arizona State University].

Published on 09 Oct 2012

Byrgius A ejecta

Byrgius A ejecta

A mix of boulders and impact melt lie just beyond the rim of Byrgius A crater. Image width is 1000 m, LROC NAC M1101631740LE [NASA/GSFC/Arizona State University].

Published on 04 Oct 2012

Recent Debris Flow

Recent Debris Flow

A debris flow in Couder crater shows signs of geologically recent activity. Note the two distinct units within the deposit (white and grey). Downslope is to the upper right and image width is 1000 m, LROC NAC M1101817103RE...

Published on 03 Oct 2012

Impact Melt Deposits On A Crater Rim

Impact Melt Deposits On A Crater Rim

A grooved surface is covered by a sheet of impact melt that has several parallel scarps. Two blocky craters superpose the melt and might be low velocity self-secondaries. LROC NAC M1097865095RE, illumination is from the lower left...

Published on 02 Oct 2012

Diversity

Diversity

A variety of textures and reflectivities in the wall and floor of a recent crater within the ghost crater Daguerre in Mare Nectaris (11.9°S; 33.6°E). North is up; illumination is from the west, downslope is toward the top of the frame,...

Published on 27 Sep 2012

In the Wake of Giordano Bruno

In the Wake of Giordano Bruno

Fresh ejecta patterns the landscape outside Giordano Bruno (37.99°N; 101.62°E). North is up, illumination is from the east, image is ~840 m across, LROC NAC M146308704R [NASA/GSFC/Arizona State University].

Published on 26 Sep 2012

Dark Secondary Crater Cluster

Dark Secondary Crater Cluster

A collection of dark-haloed craters lines a sloping crater rim outside Sklodowska crater (19.21°S; 93.56°E). North is up; illumination is from the west-southwest, downslope is toward the east, image is ~625 m across, LROC NAC...

Published on 25 Sep 2012

Top of the Landslide

Top of the Landslide

The northeast rim of the crater La Pérouse A. Image is 470 m across, NAC M152390311R [NASA/GSFC/Arizona State University].

Published on 20 Sep 2012