Featured Images
![A Beautiful Impact](/news/uploads/LROCiotw/M156964572L_thumb.png)
A Beautiful Impact
Young impact craters sometimes present a striking array of tones in their ejecta. Illumination is from the southeast, image is ~500 m across, LROC NAC M156964572L [NASA/GSFC/Arizona State University].
Published on 31 May 2012
![Brush Strokes on a Lunar Canvas](/news/uploads/LROCiotw/M111265930L_thumb2.png)
Brush Strokes on a Lunar Canvas
An irregular ejecta distribution from a fresh crater catches the eye. Illumination is from the south, image is ~600 m across, LROC NAC image M111265930L [NASA/GSFC/Arizona State University].
Published on 30 May 2012
![Scalelike Impact Melts](/news/uploads/M111700304R_thumb.png)
Scalelike Impact Melts
Impact melt sheets on the ejecta deposits of the crater Plato M. NAC M111700304R. Image width is 530 m. Image center is 53.276°N, 344.385°E. North is up. Incidence angle is 60° [NASA/GSFC/Arizona State University].
Published on 19 Apr 2012
![Smooth Ejecta](/news/uploads/LROCiotw/M171788458RE_thumb.png)
Smooth Ejecta
Grooved surface created in an instant by an impact event. The linear pattern is radially symmetric around the parent crater; the parent crater must be very young as very few craters dot the ejecta blanket! LROC NAC M171788458RE, image...
Published on 10 Apr 2012
![Ejecta Starburst](/news/uploads/LROCiotw/M159059694RE_thumb.png)
Ejecta Starburst
High-reflectance ejecta created a starburst pattern originating from an unnamed ~270 m diameter crater. NAC M159059694R, image width 855 m [NASA/GSFC/Arizona State University].
Published on 28 Mar 2012
![Ejecta blanket geology](/news/uploads/LROCiotw/M170227051LE_thumb.png)
Ejecta blanket geology
Unconsolidated material and impact melt (smoother areas) in the continuous ejecta blanket of Stevinus A crater. Image is located to the northeast of Stevinus A, image width is 530 m, LROC NAC M170227051L [NASA/GSFC/Arizona State...
Published on 08 Dec 2011
![Polka-dot Ejecta](/news/uploads/LROCiotw/M123513537RE_thumb.png)
Polka-dot Ejecta
A blanket of fresh ejecta is dotted with smaller low albedo craters. LROC NAC M123513537R, image width is 560 m [NASA/GSFC/Arizona State University].
Published on 23 Nov 2011
![Shades of Grey](/news/uploads/LROCiotw/M168862555RE_thumb.png)
Shades of Grey
Two streaks of high and low reflectance blocky ejecta from the same crater. A large boulder rests in the low reflectance deposit. LROC NAC M168862555R, image width is 500 m [NASA/GSFC/Arizona State University].
Published on 22 Nov 2011
![Nature's Art](/news/uploads/M139795376L_thumb.png)
Nature's Art
Western half of an unnamed crater and its ejecta located near the center of Mare Serenitatis. Image width is 600 m, incidence angle 28°, LROC NAC M139795376L [NASA/GSFC/Arizona State University].
Published on 17 Nov 2011
![Lobate Scarp or Fluidized Ejecta?](/news/uploads/LROCiotw/M105463860R.png)
Lobate Scarp or Fluidized Ejecta?
A double escarpment merges with a single escarpment. LROC NAC frame M105463860R, incidence angle 51.0°, image width is ~1,500 meters [NASA/GSFC/Arizona State University].
Published on 10 Nov 2011
![Brush Strokes of Ejecta](/news/uploads/LROCiotw/M170937919RE_thumb.png)
Brush Strokes of Ejecta
Ejecta with a subtle chevron texture drapes the northern lunar highlands. The ejecta is pockmarked by few small craters, suggesting it is from a recent impact. LROC NAC M170937919R, image width is 500 m [NASA/GSFC/Arizona State University].
Published on 20 Oct 2011
![On the Shore of the Bay of Rainbows](/news/uploads/LROCiotw/M104726204L_thumb.png)
On the Shore of the Bay of Rainbows
A pair of small craters show different albedos within a spectacular ejecta display along the shore of Sinus Iridum (47.9°N, 31.7°W). NAC image M104726204L, incidence angle 65°, Sun is from the southwest, north is up, image is ~1.6 km...
Published on 21 Sep 2011
![Outside of Giordano Bruno](/news/uploads/LROCiotw/M161646501RE.crop2.png)
Outside of Giordano Bruno
Ejecta flows outside of Giordano Bruno crater. Sun direction is from right to left. Image number M161646501R, incidence angle 71°, image scale 0.55 m/pixels [NASA/GSFC/Arizona State University].
Published on 25 Aug 2011
![Ray of boulders](/news/uploads/LROCiotw/M159013302LR_thumb.png)
Ray of boulders
Dozens of boulders, ranging from 10 m to more than 30 m in diameter, are distributed within an ejecta ray close to the crater rim (lower right). These boulders represent the deepest material excavated during crater formation. LROC NAC...
Published on 18 Aug 2011
![Dark halo crater](/news/uploads/M144409490L_thumb.png)
Dark halo crater
A small dark halo crater on the ejecta of Censorinus A crater. Image scale is 0.5 m/pixel, image width is 500m, incidence angle 45°, sunlight is from right side [NASA/GSFC/Arizona State University].
Published on 28 Jul 2011
![Splash and flow](/news/uploads/LROCiotw/M159631206LR_thumb.png)
Splash and flow
Impact melt flowed across the primary ejecta of an unnamed Copernican-aged impact crater (46.75°N, 49.81°E). LROC NAC M159631206L,R; source crater toward the bottom [NASA/GSFC/Arizona State University].
Published on 14 Jul 2011
![Polygonal fractures on Tycho ejecta deposits](/news/uploads/M150598504R_thumbnail.png)
Polygonal fractures on Tycho ejecta deposits
Polygonal fractures on a flow lobe of impact melt splashed out of Tycho crater. Image scale is 0.52 meters/pixel, incidence angle is 69.1°, sunlight is from left [NASA/GSFC/Arizona State University].
Published on 14 Jun 2011
![King crater ejecta deposits](/news/uploads/LROCiotw/M103739394LE_thumb1.png)
King crater ejecta deposits
Deceleration lobes in King crater (5.0°N, 120.5°E) ejecta. Image number M103739394LE; incidence angle 61°; image is ~1,200 meters across [NASA/GSFC/Arizona State University]
Published on 04 May 2011
![Action Shot](/news/uploads/LROCiotw/M154813223RE_thumb1.png)
Action Shot
Fresh ejecta blanket of an unnamed 1 km diameter crater. Image number M154813223R, incidence angle 13°, image is 750 meters across [NASA/GSFC/Arizona State University].
Published on 21 Apr 2011
![Slice of Mare](/news/uploads/LROCiotw/M154799629RE_thumb.png)
Slice of Mare
Wedge-shaped asymmetrical ejecta pattern surrounding a ~1 km diameter mare crater. Image M154799629R width is 2 km and north is up, 0.5 m/pixel scale [NASA/GSFC/Arizona State University].
Published on 20 Apr 2011