Featured Images

Wrinkles in Mare Frigoris

A complex wrinkle ridge deforms Mare Frigoris (52.935°N; 11.131°E). NAC frame M181102837R, illumination is from the west (left), north is up, image is ~2.0 km wide. White arrow indicates small extensional feature discussed in text....

Published on 10 Oct 2013

Secondaries near Mare Moscoviense

A cluster of secondary craters found in the highlands adjacent to Mare Moscoviense (28.803°S; 142.876°E). NAC frame M1104980770R, illumination is from the southeast, north is up, image is ~1.4 km wide [NASA/GSFC/Arizona State University].

Published on 08 Oct 2013

Convergence

Debris flows converge at the bottom of a crater (32.660°S; 143.668°E). NAC frame M1107331321R, illumination is from the east-southeast, north is up, image is ~1.4 km wide [NASA/GSFC/Arizona State University].

Published on 08 Aug 2013

Symmetry in an Asymmetric Pattern?

A beautiful example of an asymmetric impact feature (27.674°S; 125.465°E). NAC frame M110771566R, illumination is from the northeast, north is up, image is ~1.2 km wide [NASA/GSFC/Arizona State University].

Published on 06 Aug 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

Star Light Star Bright

A sharp reflectance contrast is found in Humboldt crater (26.593°S; 83.764°E). NAC frame M182974061L, illumination is from the west, north is up, image is ~850m wide [NASA/GSFC/Arizona State University].

Published on 29 May 2013

Coalescing Secondaries

A chain of impact features provides a picturesque tableau (48.659°N; 103.299°E). NAC frame M18286833R, illumination is from the southwest, north is up, image is ~2 km wide [NASA/GSFC/Arizona State University].

Published on 28 May 2013

The Monadnocks of Sinus Honoris

A NW-SE oriented groove is seen between two inselbergs in Sinus Honoris (12.276°S; 18.712°E). NAC frame M181944849L, illumination is from the west, north is up, image is ~5.5 km wide [NASA/GSFC/Arizona State University].

Published on 25 Apr 2013

Getting Cracked in Wiener F

An impact crater is caught in the process of disintegration and is barely visible today (40.881°N; 150.608°E). NAC frame M169574198L, illumination is from the southwest, north is up, image is ~600 m wide [NASA/GSFC/Arizona State...

Published on 24 Apr 2013

The Domes of Stevinus Crater

Distinctive positive-relief features on the floor of Stevinus crater (32.760°S; 53.739°E). NAC frame M113603383L, illumination is from the east, north is up, image is ~2.3 km wide [NASA/GSFC/Arizona State University].

Published on 23 Apr 2013

Low Reflectance Deposits on the Lassell Massif

Low reflectance deposits are seen along the margins of Lassell G and Lassell K (14.918°S; 351.065°E). NAC frame M1116585481R, illumination is overhead, north is up, image is ~1.8 km wide [NASA/GSFC/Arizona State University].

Published on 14 Mar 2013

Cinder Cone, Impact Crater, or Something Else?

A circular feature piques curiosity and encourages speculation (15.228°S; 350.923°E). NAC frame M160010100R, illumination is from the east, north is up, image is ~1.8 km wide [NASA/GSFC/Arizona State University].

Published on 13 Mar 2013

Not Your Average Crater

An asymmetric impact crater (14.349°S, 350.977°E) on the Lassell Massif revealing low reflectance material. NAC frame M152939732L, illumination is from the northwest, north is up, image is ~820 m wide [NASA/GSFC/Arizona State University].

Published on 12 Mar 2013

Lobate Debris Aprons on the Moon?

Debris flows mantle the floor of an unnamed highland crater (30.63°S; 145.66°E). NAC frame M176684041L, illumination is from the east, north is up, down slope is up, image is ~0.5 km wide [NASA/GSFC/Arizona State University].

Published on 28 Feb 2013

Schiaparelli E

A recent impact in Oceanus Procellarum produced a spectacular, circular melt pond (27.126°N; 62.068°W). NAC frame M176684041L, illumination is from the east, north is up, image is ~1.8 km wide [NASA/GSFC/Arizona State University].

Published on 27 Feb 2013

Lazy Boulders in Scaliger Crater

An assortment of boulder trails decorate the floor of Scaliger crater in the southern farside highlands (-27.10°S; 109.27°E). NAC frame M126214862L, illumination is from the northeast, north is up, image is ~0.5 km wide...

Published on 26 Feb 2013

Four of a Kind in Catena Davy

Evenly spaced craters stand out in the Catena Davy crater chain (11.0°S; 6.2°W). NAC mosaic of  M181208790 right and left pair, illumination is from the west, north is up, image is ~6 km wide [NASA/GSFC/Arizona State University].

Published on 30 Nov 2012

Pile Up

A debris slump produced a striking array of linear features on a crater floor (30.68°S; 145.59°E). NAC frame M176684041R, illumination is from the east, north is up, image is ~1 km wide [NASA/GSFC/Arizona State University].

Published on 29 Nov 2012

Lassell D Ejecta

A variety of effects are still visible from this recent impact in Mare Nubium (14.60°S; 10.26°W). NAC frame M111660844L, illumination is from the east, north is up, image is ~1 km wide [NASA/GSFC/Arizona State University].

Published on 28 Nov 2012

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