Tag Archives: wind erosion

THEMIS: Wind erosion on Hebes Mensa

THEMIS Image of the Day, August 17, 2017. The large mesa in the center of Hebes Chasma dominates this image. The top of the mesa is at the center of the image, with the cliff faces to the top and … Continue reading

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

HiRISE: Bedrock outcrops in Kaiser Crater

This enhanced-color image shows a patch of well-exposed bedrock on the floor of Kaiser Crater. The wind has stripped off the overlying soil, and created grooves and scallops in the bedrock. The narrow linear ridges are fractures that have been … Continue reading

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

THEMIS: Yardangs in Memnonia Sulci

THEMIS Image of the Day, January 9, 2017. Today’s VIS image shows some of the extensive wind etched terrain in Memnonia Sulci, located south west of Olympus Mons. The linear ridges are called yardangs and form by wind removal of … Continue reading

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

Opportunity: Pancam checks Spirit Mound

Sol 4502, September 22, 2016. Above is a Pancam composite showing part of Spirit Mound and one of the small rocky “ridges” leading away from it. Pancam took a fully filtered set of images for the two leftmost frames (false-colored … Continue reading

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

THEMIS: Geological jumble in Terra Sirenum

THEMIS Image of the Day, September 1, 2016. Today’s false color image shows part of the plains of Terra Sirenum near Sirenum Fossae. The THEMIS camera contains 5 filters. The data from different filters can be combined in mulitple ways to … Continue reading

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

THEMIS: Wind etching

THEMIS Image of the Day, August 9, 2016. Today’s VIS image is located in a region that has been heavily modified by wind action. The narrow ridge/valley system seen in this image are a feature called yardangs. Yardangs form when … Continue reading

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

Giant mounds inside Mars craters were built by winds, climate change

New research has found that wind carved massive mounds of more than a mile high on Mars over billions of years. Their location helps pin down when water on the Red Planet dried up during a global climate change event. … Continue reading

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

THEMIS: Wind streaks – false color

THEMIS Image of the Day, January 28, 2016. Today’s false color image shows a set of windstreaks located on Syrtis Major Planum east of Nili Patera. The color variation shows where wind action has removed or concentrated surface dust. The … Continue reading

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

HiRISE: Contact with yardangs

Contact with yardangs — Looks like it’s going well. Beautiful Mars series.

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

THEMIS: Arabia Terra plains – false color

THEMIS Image of the Day, January 8, 2016. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations of … Continue reading

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