Featured Images

A Rille to Rover Over

LROC NAC image M1145219838 of a rille found on the Southwestern edge of Oceanus Procellarum. This rille most likely formed from the stress added to the crust as the mare deposits were emplaced and cooled [NASA/GSFC/Arizona State...

Published on 08 Jul 2014

The Original Interplanetary Mountaineers

Traverse plots of the first two Apollo 15 EVAs, on which astronauts Scott and Irwin ventured to the lower slopes of Mons Hadley Delta (center left); numbers indicate elevations above the landing site (LM) (oblique LROC NAC M1123519889;...

Published on 20 Jun 2014

Soaring Over Mighty Mt. Hadley

An oblique view, looking east-to-west over the Apennine Mountains towards Hadley Rille (upper left) (LROC NAC M1123519889, north is to the right). A long shadow is cast by mighty Mt. Hadley (center right). Nestled between the Apennines...

Published on 18 Jun 2014

Rough Around the Edges

With peppered flanks, Rima Suess wanders over 150 km through Oceanus Procellarum. The rocks that rest on the walls of this lunar rille are perhaps remnants of much larger boulders that have eroded down to meter sized rocks due to micro...

Published on 05 Jun 2014

Trundling Across the Moon

Tracks made by Lunokhod 2 as it tested for variations in local magnetic properties while traversing around a small crater (25.764°N, 30.474°E), M122007650R, image width 470 m [NASA/ GSFC/ Arizona State University].

Published on 23 May 2014

A Kink in Rima Krieger

Rima Krieger winds its way through Oceanus Procellarum. Image width is ~ 3.5 km. Taken from LROC NAC image M1152172510R [NASA/GSFC/Arizona State University].

Published on 20 May 2014

Collapsing Tube

Uneven depression near the north end of Rima Suess. Image center 9.109°N, 311.396°E; image width is 1.38 km; illumination from left; incidence angle is 67°; north is up; NAC M1112132406L [NASA/GSFC/Arizona State University]. 

Published on 30 Jan 2014

Source Vent for Rima Prinz I

Newly released LROC NAC Digital Terrain Model (DTM) of Rima Prinz I where it meets the source crater Vera (~2 km in diamter). Image is approximately 7 km across [NASA/GSFC/Arizona State University].

Published on 19 Dec 2013

The Lunar Alps

A portion of an LROC NAC oblique image (M177602135LR) of a rille, seen in the center of this image running northwest to southeast through the Montes Alpes region. Image width is approximately 15 km. North is to the right...

Published on 15 Nov 2013

Diversity of Basaltic Lunar Volcanism

A diverse range of volcanic morphologies: a sinuous rille, blocky lava flows, and pyroclastic cones found in a portion of the controlled LROC NAC mosaic "NAC_ROI_MARIUS_ _LOC_E138N3037" centered on 303.861°E, 13.476°N; image is...

Published on 05 Nov 2013

Karpinskiy Floor Fractures

NAC oblique of the northern floor of Karpinskiy crater, which is centered at 72.609°N and 166.801°E. Crater floor fractures are seen, concentric to the crater wall, as well as a 6-km diameter impact crater on the floor (center of...

Published on 22 Aug 2013

Partially Flooded Rim

Partially filled crater (1.8 km diameter) located in the Rimae Prinz region, centered at 26.941°N, 316.871°E, LROC NAC M1096772216 [NASA/GSFC/Arizona State University].

Published on 15 Aug 2013

Lunar Kipuka

A crater breached and filled with the lavas of Mare Imbrium (31.364°N, 334.217°E). LROC NAC M193132768L, image width is 3.2 km [NASA/GSFC/Arizona State University].

Published on 11 Jul 2013

Rima Marius Layering

Basalt layering is visible in the wall of this portion of Rima Marius. Image width is ~1.3 km, LROC NAC image M1103881010R [NASA/GSFC/Arizona State University]. 

Published on 27 Jun 2013

A Truncated Rille

A lunar rille comes to an abrupt termination at a crater rim (34.342°S; 145.430°E). NAC frame M1122636898R, illumination is from the east-northeast, north is up, image is ~1 km wide [NASA/GSFC/Arizona State University].

Published on 30 May 2013

Crater Chain near Rima T Mayer

A crater chain near Rima T Mayer. LROC NAC M181373663R, image width is 2.6 km [NASA/GSFC/Arizona State University].

Published on 16 Apr 2013

Volcanic Vent

This unassuming textured surface surrounding a smooth tongue of material is likely a volcanic vent. LROC NAC M181495512L, image width is 1500 m [NASA/GSFC/Arizona State University].

Published on 01 Apr 2013

Numerov's Graben

Normal faults in regolith formed graben in Numerov crater. Only a handful of small craters superpose the faults, indicating a young age. LROC NAC M171619370RE, image width is 600 m [NASA/GSFC/Arizona State University].

Published on 14 Feb 2013

Meanders in Posidonius

Small portion of a S-shaped meandering rille on the floor of Posidonius Crater (31.93°N, 29.85°E, 100 km diameter) - a floor-fractured crater. The curves in the rille are very tight. LROC NAC M1098658474R [NASA/GSFC/Arizona State...

Published on 05 Feb 2013

Southside, Aristarchus Crater

SE Aristarchus crater (40 km diameter) viewed obliquely from an altitude of 135 km, M1096850878LR [NASA/GSFC/Arizona State University].

Published on 25 Dec 2012