Featured Images

A molten flood

A flood of impact melt swept away from the rim of Necho crater. NAC image M119041553; scene width is 540 m [NASA/GSFC/Arizona State University].

Published on 29 Jul 2010

Forked Impact Melt Flows at Farside Crater

Impact melt flow split into two distinct segments. The source crater is 2.5 km to the south in a region of the farside highlands ENE of Mare Moscoviense. Image width is 1.3 km, and the pixel width is 1.25 m, NAC Image M112902715L,...

Published on 22 Jun 2010

In an instant!

Boulders and impact melt on the interior wall of a recent 5 km (3 mile) diameter crater. The rim of the crater is near the top of the image, downhill is towards the bottom of the image [NASA/GSFC/Arizona State University].

Published on 12 May 2010

Riccioli Crater: Cracked, Melted, and Draped

High-resolution LROC view of part of the floor of Riccioli Crater, near the center of the Constellation region of interest. The view is centered on the boundary between a spur of the crater's central peak materials (lower right half of...

Published on 04 Feb 2010

Out of the Shadows: Impact Melt Flow at Byrgius A Crater

Spectacularly preserved viscous flow on the NE rim of Byrgius A (19 km diameter) crater. This flow has a form similar to lava flows on the Earth - however it formed as a result of an asteroid or comet slamming into the Moon at...

Published on 02 Feb 2010

King Crater's Unusual Melt Pond

A Constellation Program Region of Interest near the northeast edge of the unusually large melt pond adjacent to the lunar far side crater King. The boundary between the dark, coherent impact melt rock at the lower left of the image and...

Published on 26 Jan 2010

Impact Melt Flows on Giordano Bruno

Frozen impact melt flows on the ejecta blanket of the young impact crater Giordano Bruno (22 km diameter). The image is about 600 m across and the flows are about 50-100 m wide (NASA/GSFC/Arizona State University).

Published on 15 Dec 2009

More Impact Melt!

Frozen impact melt flows on the floor of Moore F, a farside highlands crater. Image width 600 m, 0.61 m/pixel,  NAC image M110383422LE [NASA/GSFC/Arizona State University].

Published on 30 Oct 2009

Epigenes A

A plethora of boulders surrounds braided flows of impact melt along the inside wall of crater Epigenes A. As the melt moves toward the crater floor (direction indicated by white arrow), the flow buries and moves boulders. Epigenes A is...

Published on 23 Oct 2009

Necho Crater

Cracks form in the impact melt sheet on the floor of Necho Crater. Image width is 1.04 km [NASA/GSFC/Arizona State University].

Published on 21 Aug 2009