Featured Images

Hortensius Domes - Constellation Region of Interest

Summit crater of Hortensius Dome Phi. Summit craters of all the Hortensius Domes show no raised rims and are not circular, indicating they are not impact craters, rather that they are analogous to volcanic calderas. Image width 1.22 km,...

Published on 01 Apr 2010

Apollo Basin: Mare in a Sea of Highlands

High resolution LROC image of floor of the Apollo Basin, a large (538 km diameter) double-ringed impact crater in the southern hemisphere of the far side. This image shows part of the boundary between  two flow units within the...

Published on 30 Mar 2010

Two-toned Impact Crater in Balmer Basin: A Reflection of the Target?

Materials excavated during formation of this ~450 m diameter impact crater have an unusual two-toned character, likely a reflection of heterogeneity in the target materials. This crater occurs in Balmer Basin, an area thought to harbor...

Published on 26 Mar 2010

Marius Hills Pit - Lava Tube Skylight?

The Marius Hills pit is a possible skylight in a lava tube in an ancient volcanic region of the Moon called the Marius Hills. This LROC image is the highest resolution image of the pit to date. Image width is 1400 meters, NAC...

Published on 01 Mar 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

Aitken Crater Constellation Program Region of Interest

A lobate scarp in the mare basalts of Aitken crater on the lunar farside (arrows). Aitken crater is one of the fifty regions of interest in NASA’s Constellation Program. The smooth mare basalts that flooded the floor of Aitken crater...

Published on 12 Jan 2010