Featured Images

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

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

Taurus Littrow Valley, West-To-East

The magnificent Taurus Littrow valley seen obliquely from west-to-east by the LROC NAC. The Apollo 17 crew briefly explored portions of this valley 40 years ago this month. M1096343661LR, image ~10 km across the center...

Published on 19 Dec 2012

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 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

Veneer of Melt

A veneer of impact melt rock erodes away just north of Newcomb crater, in the lunar highlands. LROC NAC M162026367LE, image width is 700 m [NASA/GSFC/Arizona State University].

Published on 14 Sep 2012

Watch That First Step!

LROC oblique view of the giant scarp (cliff) Rupes Cauchy that cuts across 200 km of Mare Tranquillitatis. The scarp is 300 meters tall and Cauchy B crater is 6 km in diameter [NASA/GSFC/Arizona State University].

Published on 24 Jul 2012

Simpelius Scarp

A lobate scarp formed in the lunar highlands. Lunar scientists keep finding more of these tectonic features as LROC NAC image coverage of the lunar surface continues to increase. LROC NAC M106807247L, image width is 1000 m...

Published on 12 Jul 2012

A Wrinkly Crater

An unnamed crater deformed by tectonic forces. LROC NAC M183760209L, image width is 960 m [NASA/GSFC/Arizona State University].

Published on 08 Jun 2012

Flow Boundary

A small scarp is exposed in this high incidence angle NAC. The area to the east (right) of the scarp is raised relative to the area on the west (left). LROC NAC M177792062L, image width is 610 m [NASA/GSFC/Arizona State University].

Published on 11 Apr 2012

An Impact Melt Veneer in the Highlands

Fractured impact melt partially covered with regolith. Image width is 880 m, north is up, NAC frame M159650657L [NASA/GSFC/Arizona State University].

Published on 03 Apr 2012

Not Your Average Scarp

A scarp winds through a region of mare. NAC M166223945L, image width is 700 m [NASA/GSFC/Arizona State University].

Published on 29 Mar 2012

Just Another Crater?

Not ordinary - amazing! What makes this 110 meter diameter crater stand out from the rest? LROC NAC M175077349L, 225 meters wide, 25 cm pixel scale, north is up [NASA/GSFC/Arizona State University].

Published on 12 Dec 2011

Lobate Scarp or Fluidized Ejecta?

A double escarpment merges with a single escarpment. LROC NAC frame M105463860R, incidence angle 51.0°, image width is ~1,500 meters [NASA/GSFC/Arizona State University].

Published on 10 Nov 2011

Tectonics in Mare Frigoris

A mare wrinkle ridge transitions to a highland lobate scarp in Mare Frigoris. Illumination is from the lower-left in this 2.9 km wide mosaic of LROC NAC images M107069913L and M107069913R [NASA/GSFC/Arizona State University].

Published on 12 Oct 2011

Scarps in Schrödinger

A lobate scarp formed in the wall material of Schrödinger basin. LROC NAC M159099396R, image width is 1.1 km, illumination from upper right [NASA/GSFC/Arizona State University].

Published on 27 Sep 2011

Lunar Lobate Scarp

A North-South trending lobate scarp lies within Xenophanes crater. LROC NAC M118031613LE, image width is 600 m [NASA/GSFC/Arizona State University].

Published on 14 Sep 2011

Relative age relationships

A wrinkle ridge cross-cuts and deforms an impact crater in northeast Mare Imbrium. Deformed impact crater is ~330 m in diameter, LROC NAC M104540211RE, image width is 1.7 km [NASA/GSFC/Arizona State University].

Published on 12 Jul 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