Featured Images
![Oval Crater](/news/uploads/LROCiotw/M191567120LR_thumb.png)
Oval Crater
A bolide impacting into the sloping wall of Harvey crater formed an oval, rather than circular crater. NAC M191567120, image width 1.32 km [NASA/GSFC/Arizona State University].
Published on 20 Jun 2013
![Complicated Crater](/news/uploads/LROCiotw/M190007628LR_thumb.png)
Complicated Crater
Impact melt, boulders, and mass wasting - oh my! NAC M190007628LR, image width 1 km [NASA/GSFC/Arizona State University].
Published on 19 Jun 2013
![Ka-Pow!](/news/uploads/LROCiotw/M189994606LR_thumb.png)
Ka-Pow!
High-reflectance ejecta and low-reflectance impact melt streamers surround this fresh impact crater. NAC M189994606LR, image width 2.25 km [NASA/GSFC/Arizona State University].
Published on 18 Jun 2013
![Messy Crater](/news/uploads/LROCiotw/M189978900LR_thumb.png)
Messy Crater
Fresh impact crater morphology can be messy! NAC M189978900LR, image width 708 m [NASA/GSFC/Arizona State University].
Published on 09 May 2013
![Boulder Origin?](/news/uploads/LROCiotw/M187357438LR-2_thumb.png)
Boulder Origin?
Blocks litter the interior floor of an impact crater. NAC M187357438LR, image width 1.81 km [NASA/GSFC/Arizona State University].
Published on 08 May 2013
![Boulder Tales](/news/uploads/LROCiotw/M187340587LR_thumb.png)
Boulder Tales
Boulders >1 m across, and a few trails, surround the base of a mountain in the Schrödinger central peak ring. Boulder in lower left is ~55 m across, NAC M187340587LR, image width 732 m, mountain base is beyond the frame to the lower...
Published on 07 May 2013
![Crater Debris](/news/uploads/LROCiotw/M187319581LR_thumb.png)
Crater Debris
Evidence of erosion and mass-wasting abound in lunar craters! Crater rim at the bottom of the image, crater floor at upper left, NAC M18731958LR, image width ~810 m [NASA/GSFC/Arizona State University].
Published on 12 Apr 2013
![Squished Crater](/news/uploads/LROCiotw/squished.png)
Squished Crater
A lobate scarp cuts across and deforms an ancient impact scar on the floor of Seares crater. NAC M187315000LR, image width 1.95 km [NASA/GSFC/Arizona State University].
Published on 11 Apr 2013
![Rim Slumping](/news/uploads/LROCiotw/M187307653LR_thumb.png)
Rim Slumping
Faulting of a crater rim. Downhill to lower right, NAC M187307653, image width is ~1.9 km [NASA/GSFC/Arizona State University].
Published on 10 Apr 2013
![Messy Melt](/news/uploads/LROCiotw/M182116507LR_thumb.png)
Messy Melt
Unlike some melt ponds, this melt pond does not look very smooth! NAC M182116507LR, image width 910 m [NASA/GSFC/Arizona State University].
Published on 31 Jan 2013
![Boulder Fields](/news/uploads/LROCiotw/M170605553LR_thumb.png)
Boulder Fields
Boulders of various sizes (a few meters up to ~20 meters across) scattered across the lunar surface. From where do the boulders originate? NAC M170605553LR, image width 510 m [NASA/GSFC/Arizona State University].
Published on 30 Jan 2013
![Clam Shell](/news/uploads/LROCiotw/M170606751LR_thumb.png)
Clam Shell
An oblique impact crater formed on the wall of Lalande C crater. Downslope toward lower right, north is down, NAC M170606751LR, image width 600 m [NASA/GSFC/Arizona State University].
Published on 29 Jan 2013
![Channels And Fractures](/news/uploads/LROCiotw/M185971152LE_thumb.png)
Channels And Fractures
Stratigraphic relationships within impact melt deposits may be discovered with diligent observation! NAC M185971152L, image width ~1.8 km [NASA/GSFC/Arizona State University].
Published on 17 Jan 2013
![Melt Overlap](/news/uploads/LROCiotw/M185964003LE_thumb.png)
Melt Overlap
Two lobes of impact melt overlapped before solidifying against the crater wall. NAC M185964003L, image width is ~1.8 km [NASA/GSFC/Arizona State University].
Published on 16 Jan 2013
![Really Wrinkled](/news/uploads/LROCiotw/M185963754RE_thumb.png)
Really Wrinkled
A wrinkle ridge in Mare Frigoris deformed the mare. NAC M185963754R, image width is ~1.75 km [NASA/GSFC/Arizona State University].
Published on 15 Jan 2013
![How Recent?](/news/uploads/LROCiotw/M185961505LE_thumb4.png)
How Recent?
Granular debris flows cascade down the wall of a young crater. Geologically these are young features - but how young? NAC M185961505L, downslope to lower right, north is down, image width ~696 m [NASA/GSFC/Arizona State University].
Published on 18 Oct 2012
![Bench Crater](/news/uploads/LROCiotw/M185961318RE_thumb.png)
Bench Crater
A beautiful bench crater formed in melt trapped on a crater wall terrace. NAC M185961318R, image width 520 m [NASA/GSFC/Arizona State University].
Published on 17 Oct 2012
![Winding Channel of Melt](/news/uploads/LROCiotw/M185956855LE_thumb.png)
Winding Channel of Melt
Impact melt channel winding its way down the crater wall on its descent to the floor. NAC M185956855L, image width 2.2 km, downslope to upper left [NASA/GSFC/Arizona State University].
Published on 16 Oct 2012
![Rippled Pond](/news/uploads/LROCiotw/M185947368RE_thumb.png)
Rippled Pond
A melt pool on Tycho's northeastern wall has a rippled, somewhat wrinkly texture. Why might the surface look this way? NAC M185947368R, image width ~792 m [NASA/GSFC/Arizona State University].
Published on 13 Sep 2012
![Anaxagoras Exterior Melt](/news/uploads/LROCiotw/M185949707LE_thumb.png)
Anaxagoras Exterior Melt
Exterior impact melt ponded to the east of Anaxagoras crater. NAC M185949707L, image width ~1.8 km [NASA/GSFC/Arizona State University].
Published on 12 Sep 2012