Featured Images

Debris Flows in Gardner Crater

Avalanche flows adorn the walls and floor of Gardner crater. Illumination from south-southwest, north is up, image is ~800 m across, LROC NAC M121987140R [NASA/GSFC/Arizona State University].

Published on 17 Jan 2012

Nature's Art

Western half of an unnamed crater and its ejecta located near the center of Mare Serenitatis. Image width is 600 m, incidence angle 28°, LROC NAC M139795376L [NASA/GSFC/Arizona State University].

Published on 17 Nov 2011

Boulder Mound

Boulder rich mound on the northeastern rim of Dawes crater. Image width is 500 m, sunlight is from the image bottom. LROC NAC M139734469L [NASA/GSFC/Arizona State University].

Published on 15 Nov 2011

Posidonius Y

A boulder perched on the rim of a Copernican crater in Mare Serenitatis. NAC frame number M168041107L, image width is 250 meters [NASA/GSFC/Arizona State University].

Published on 25 Oct 2011

Lava Flows Exposed in Bessel Crater

Spectacular example of layering exposed in the wall of Bessel crater (21.8°N, 17.9°E). Image number M135073175R, incidence angle 13°, image is 500 meters across [NASA/GSFC/Arizona State University].

Published on 19 Apr 2011

Rima Calippus

Rima Calippus in northwest Mare Serenitatis, boulders on the larger branch are possibly outcrop waiting to be sampled. LROC NAC M102078117, image width is 1600 m [NASA/GSFC/Arizona State University].

Published on 01 Mar 2011

Boulder trails in Menelaus crater

Boulder trails are common to the interior of Menelaus crater as materials erode from higher topography and roll toward the crater floor. Downhill is to the left, image width is 500 m, LROC NAC M139802338L [NASA/GSFC/Arizona State...

Published on 29 Oct 2010

Southern rim of Menelaus crater

Rocks outcrop along the rim of Menelaus crater and roll downslope toward the crater floor as they erode out of the wall (to the upper right). The boulder in the top-middle is 8 m across, image width is 400 m, LROC NAC M126826332L...

Published on 28 Oct 2010

Small crater at the southern rim of Menelaus

LROC Wide Angle Camera mosaic of Menelaus crater at the boundary between Mare Serenitatis and the highlands (dotted line). Broad ejecta rays extend along the mare-highlands boundary and also in the NE-SW direction. In this image, the...

Published on 27 Oct 2010

Color of the Moon

The LROC WAC is busily mapping the Moon in 7 UV and visible wavelengths (320 nm through 689 nm). This color composite shows 320 nm light in blue, 415 nm in green and 689 nm in red, scene is ~1000 km wide [NASA/GSFC/Arizona State...

Published on 10 Sep 2010

Moon Seen From the East

LROC Wide Angle Camera (WAC) view of the Moon seen from 90° east longitude. Half the nearside is visible to the left, and half the farside to the right [NASA/GSFC/Arizona State University].

Published on 08 Sep 2010

Mare Frigoris Constellation Region of Interest

The floor of a l.2-km diameter crater in the Mare Frigoris Constellation region of interest. Samples of this material could help us understand the complex geologic history of this region of the Moon. NAC image M126752534RE; scene width...

Published on 06 May 2010

Soviet Union Lunar Rovers

Soviet robotic lander Luna 17 still sitting on Mare Imbrium where it delivered the Lunokhod 1 Rover in November 1970, LROC NAC Image M114185541RE [NASA/GSFC/Arizona State University].

Published on 17 Mar 2010

Pull Apart - Grabens

Graben are common extensional features on the Moon as well as the other terrestrial planets and icy satellites. This graben (700 m wide) formed within a larger graben (1700 m). Illumination is the from the left (NASA/GSFC/Arizona State...

Published on 16 Dec 2009

Wrinkle ridges of northwest Mare Imbrium.

A northeast-trending wrinkle ridge cuts across the plains of Mare Imbrium. The overall ridge is about 4.5 km wide. The contact between the ridge (right) and the surrounding mare basalt plains (left) runs diagonally up the image...

Published on 14 Dec 2009

Aratus CA

Subset of uncalibrated LROC NAC frame M104447576R showing Vallis Lorca, one of four lobes that make up Aratus CA in western Mare Serenitatis near the Montes Apennius. The Sun is shining from the lower left, image width is 1924 meters...

Published on 02 Oct 2009