Featured Images
Bulls-Eye Crater or Volcanic Vent?
A circular depression (700 m diameter) sits atop of a circular mound 3.7 km in diameter. It is either a perfectly placed impact crater on the hill's summit, or a volcanic vent. LROC NAC M181173832LR [NASA/GSFC/Arizona State University].
Published on 25 Jul 2012
Inside Hyginus Crater
Collapse features within Hyginus Crater. LROC NAC image M104476560L, 1240 m wide [NASA/GSFC/Arizona State University].
Published on 12 Jun 2012
View From The Other Side
Summit of Tycho crater central peak seen from west-to-east; the rough material on the floor of the crater in the upper right formed as a massive pool of impact melt solidified. LROC NAC M181286769L,R [NASA/GSFC/Arizona State University].
Published on 21 May 2012
Orion, Up Close
Low orbit view of Apollo 16 landing site, image width 250 meters, M175179080 [NASA/GSFC/Arizona State University].
Published on 23 Apr 2012
Mare Crisium: Failure then Success
Luna 24 landed on the northwestern rim of a 64 m diameter impact crater, on the volcanic plains of Mare Crisium. Enlargement of lander at lower left, NAC M174868307L [NASA/GSFC/Arizona State University].
Published on 16 Mar 2012
Shield Volcanoes in Lacus Veris!
Wrinkle-ridges in mare basalts? Nope! These step-like features are located on the flanks of a shield volcano! Down-slope to the lower right, LROC NAC image M166406436R, image width is 728 m [NASA/GSFC/Arizona State University].
Published on 02 Feb 2012
Brayley G
This small crater is perched on the edge of something much more extraordinary. Read on to discover more! LROC NAC frame M175515801L, 30 cm pixel scale, image is 300 meters across [NASA/GSFC/Arizona State University].
Published on 24 Jan 2012
Just Another Crater?
Not ordinary - amazing! What makes this 110 meter diameter crater stand out from the rest? LROC NAC M175077349L, 225 meters wide, 25 cm pixel scale, north is up [NASA/GSFC/Arizona State University].
Published on 12 Dec 2011
Farside Highlands Volcanism!
Small dome in the Compton-Belkovich region (61.33 °N, 99.68 °E). Evidence indicates a volcanic origin for this and other intriguing features in the region. Incidence angle is 64°, Sun is from the SSW, image is ~510 m across. NAC image...
Published on 25 Jul 2011
Another small volcano?
Along the embayed Eddington crater rim is an ~1.5 km dome that may be an ancient volcano with a summit pit crater. LROC NAC M148618400R, image width is 960 m [NASA/GSFC/Arizona State University].
Published on 27 Apr 2011
Rille in Aitken Crater!
The beginning, or end, of a short rille in Aitken crater. This rille is 5 km long and 600 m wide. LROC NAC M149391207, image width is 900 m [NASA/GSFC/Arizona State University].
Published on 27 Jan 2011
Smooth floor in Copernicus crater
With the exception of recent impacts (such as this one) into the floor material of Copernicus, much of the northwestern floor of Copernicus appears smooth and relatively featureless (upper right corner). This region on the crater floor...
Published on 29 Sep 2010
Volcanoes in Lacus Mortis
Most of the craters on the Moon formed through impact processes. However, some craters, like the one visible in this portion of LROC NAC frame M131488521R, may be a volcano summit pit crater. Crater diameter is ~400 m, the image width...
Published on 10 Aug 2010
A Dark Cascade at Sulpicius Gallus
LROC NAC close-up of the wall of a suspected volcanic vent within the regional pyroclastic deposit near Sulpicius Gallus. Image M124505982R, view is 517 m across [NASA/GSFC/Arizona State University].
Published on 22 Jul 2010
Marius Hills Constellation region of interest
Rim of a large sinuous rille on the western edge of the Marius Hills Constellation region of interest, showing materials that have slumped into the bottom of the sinuous rille towards the northwest as well as (possibly) outcrop, a prime...
Published on 01 Jun 2010
Craters on the Schrodinger pyroclastic cone
LROC NAC closeup clustered craters on the Schrodinger pyroclastic cone, one of the NASA Constellation regions of interest. Although likely relatively young, the craters in this cluster have a subdued appearance because they formed in...
Published on 22 Apr 2010
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