Tag Archives: MRO

HiRISE: Bang and whoosh!

This HiRISE image captures a new, dated (within about a decade) impact crater that triggered a slope streak. When the meteoroid hit the surface and exploded to make the crater, it also destabilized the slope and initiated this avalanche. The … Continue reading

Posted in Reports | Tagged , , , , , , , | Comments Off

HiRISE: East Endeavour Crater dune field monitoring

East Endeavour Crater dune field monitoring. We’re monitoring to detect surface change of dunes shown to be active from past HiRISE observations. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: A volcano — of mud or lava?

This image shows a hill with a central crater. Such features have been interpreted as both mud volcanoes (really a sedimentary structure) and as actual volcanoes (the erupting lava kind). They occur on the floor of Valles Marineris below a … Continue reading

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: Light-toned material in Gorgonum Chaos crater

Light-toned material within the center of a crater in Gorgonum Chaos basin. The rocks within the center of this crater are light-toned and appear altered relative to the rocks that define the crater wall. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

HiRISE: Dark and possibly stationary ripples

Dark and possibly stationary ripples in anomalous terrain.  These strange ripples are in some anomalous terrain on the Olympus Mons aureole. These dark ripples have not been imaged in about 8 years, so another shot should show movement…if there IS … Continue reading

Posted in Reports | Tagged , , , , , , , , , | Comments Off

MARCI weather report, May 28-June 3, 2018

The most prominent weather events last week were two large regional dust storms over the northern hemisphere of Mars. The large arcuate-shaped dust storm, reported the previous week, propagated eastward over the northern mid-latitudes of Utopia Planitia before abating. By … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

HiRISE: Ever winding

Ever winding. This image (and its partner) was acquired to compare against an earlier stereo pair of the same region several years ago to determine if any changes have occurred. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , | Comments Off

HiRISE: Strangely silent in southwest Arabia Terra

Strangely silent in southwest Arabia Terra. Beautiful Mars series. [More at links]

Posted in Reports | Tagged , , , , , , , , | Comments Off

HiRISE: Within an inverted impact crater

Within an inverted impact crater in Vastitas Borealis. This particular crater is characterized by a central deposit of positive relief with a subdued rim as a result of sublimation in the surrounding territory. A comprehensive study of inverted impact craters … Continue reading

Posted in Reports | Tagged , , , , , , , , , | Comments Off

HiRISE: Bedrock exposed in Hale Crater’s rim

Hale Crater is a large impact crater (more than 100 kilometers) with a suite of interesting features such as active gullies, active recurring slope lineae, and extensive icy ejecta flows. There are also exposed diverse (colorful) bedrock units. NB: North … Continue reading

Posted in Reports | Tagged , , , , , , , | Comments Off