Tag Archives: sand dunes

HiRISE: Dunes of the Southern Highlands

Sand dunes are scattered across Mars and one of the larger populations exists in the Southern hemisphere, just west of the Hellas impact basin. The Hellespontus region features numerous collections of dark, dune formations that collect both within depressions such … Continue reading

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THEMIS: Pit and dunes in Rabe Crater

THEMIS Image of the Day, March 22, 2017. Today’s false color image shows part of the floor of Rabe Crater’s western floor, including a deep pit and a portion of the extensive dune field found in this crater. (A view … Continue reading

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THEMIS: Sand sea in Rabe Crater

THEMIS Image of the Day, March 20, 2017. Today’s false color image shows part of the floor of Rabe Crater, which is covered mostly with a wind-shaped sea of sand. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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THEMIS: Terra Cimmeria’s sand traps

THEMIS Image of the Day, March 10, 2017. This infrared image covers a large swath of Terra Cimmeria, including numerous craters with dunes and dune fields on their floors, as well as dunes located on the plains between craters. Dunes … Continue reading

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THEMIS: Active sand dunes in Sirenum crater

THEMIS Image of the Day, March 6, 2017. Today’s VIS image shows a field of dunes on the floor of an unnamed crater in Terra Sirenum. Their dark color indicates they are dust-free and suggests that the dune sands are … Continue reading

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HiRISE: Monitoring dunes in Coprates Chasma

Monitoring dunes in Coprates Chasma.  – Always keep your eye on those dunes. They creep up on you. Slowly. Beautiful Mars series.

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Researchers pinpoint watery past on Mars

Researchers from Trinity College Dublin have discovered a patch of land in an ancient valley on Mars that appears to have held water in the not-too-distant past. In doing so, they have pinpointed a prime target to begin searching for past … Continue reading

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HiRISE: Craters on a crater’s floor

Craters on a crater’s floor. Beautiful Mars series.

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Curiosity update: Finishing at Stop 1

Sol 1603, February 9, 2017, update by USGS scientist Ryan Anderson: Yesterday’s plan went well, and ChemCam has run all of the planned diagnostics and will be back in action tomorrow! Similar to yestersol’s plan, the Sol 1603 plan begins … Continue reading

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Curiosity: Zooming in on Bagnold sands

Sol 1603, February 8, 2017. Three MAHLI views of one patch of Bagnold Dunes sand. As the instrument steps in, each successive image lies nested in the center of the previous one. The final view at bottom shows well-rounded and … Continue reading

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