Tag Archives: sand dunes

HiRISE: Dunes, slopes, and dust devil tracks

Dunes and slopes. Beautiful Mars series.

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

THEMIS: Russell Crater dunes in false color

THEMIS Image of the Day, July 7, 2017. Today’s false color image shows part of the large dune form on the floor of Russell Crater. The bluish tint of the dunes in false color suggests that they are made of … Continue reading

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

THEMIS: Dunes, dust devil tracks, and wind streaks on northern polar lowlands

THEMIS Image of the Day, June 21, 2017. Do you see what I see? Look out, a barrage of bullets is headed our way! (THEMIS Art #130) More THEMIS Images of the Day by geological topic.

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

HiRISE: The White Cliffs of ‘Rover’

This image reminds us of the rugged and open terrain of a stark shore-line, perhaps of an island nation, such as the British Isles. A close-up in enhanced color produces a striking effect, giving the impression of a cloud-covered cliff … Continue reading

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

HiRISE: Monitoring sand sheets and dunes

This crater features sand dunes and sand sheets on its floor. What are sand sheets? Snow fall on Earth is a good example of sand sheets: when it snows, the ground gets blanketed with up to a few meters of … Continue reading

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

THEMIS: Mega-dune in Russell Crater

THEMIS Image of the Day, June 1, 2017. Today’s false color image shows part of Russell Crater in Noachis Terra. The large dune (probably basaltic sand) forms a ridge with interesting shapes on its surface, reworked by the wind. The … Continue reading

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

HiRISE: Ongoing dune activity in Ganges Chasma

Ongoing dune activity in Ganges Chasma. Beautiful Mars series.

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

THEMIS: False color dunes in Noachis Terra

THEMIS Image of the Day, May 22, 2017. Today’s false color image shows dunes on the floor of an unnamed crater in Noachis Terra. The blue false-color tint suggests the dunes are made of basaltic sand. The THEMIS VIS camera … Continue reading

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

THEMIS: Dunes besiege Terra Sirenum crater

THEMIS Image of the Day, May 17, 2017. Not all Martian sand dunes are located in craters. This VIS image shows dunes located on the plains of Terra Sirenum. More THEMIS Images of the Day by geological topic.

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

THEMIS: Sheet of sand dunes in Proctor Crater

THEMIS Image of the Day, May 10, 2017. This VIS image shows a portion of the dune sheet and other dune forms on the floor of Proctor Crater. More THEMIS Images of the Day by geological topic.

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