Monthly Archives: July 2018

Curiosity update: Back towards Stranraer

Sol 2108, July 11, 2018, update by MSL scientist Roger Wiens: After being out of commission for over a year, Curiosity’s drill is making not just a comeback, but a strong one, with imminent plans for a second drill hole … Continue reading

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HiRISE: The sand always gets through

The sand always gets through. There are also eroded layers here in Orson Welles Crater. Beautiful Mars series. [More at links]

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THEMIS: Where the volcanic mountain meets the volcanic plains

THEMIS Image of the Day, July 12, 2018. Olympus Rupes is the name of the large escarpment surrounding Olympus Mons. The escarpment is a cliff where there is a large elevation change over a short distance. This VIS image is … Continue reading

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MARCI weather report, July 2-8, 2018

Dusty conditions continued around the red planet this past week, as the planet-encircling dust event was still ongoing. The colossal dust cloud was still prevalent between the south polar ice cap and the north polar hood. Solis-Sinai and on occasion, … Continue reading

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Weather update from Gale Crater

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HiRISE: Uplifted blocks of light-toned layered deposits

Aram Chaos lies within a 280 kilometer-diameter ancient impact crater in the Southern Highlands of Mars. Uplifted blocks of light-toned layers, composed largely of the iron-oxide hematite and water-altered silicates, indicate that this crater once held a lake. Scientists suggest … Continue reading

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‘Ghost dune’ pits discovered on Mars

Scientists have discovered hundreds of crescent-shaped pits on Mars where sand dunes the size of the U.S. Capitol stood billions of years ago. The curves of these ancient dune impressions record the direction of prevailing winds on the Red Planet, … Continue reading

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HiRISE: Fractures on Pavonis Mons

Fractures on Pavonis Mons. This observation was suggested by students at the Mars Academy in Brazil. Here is their original rationale: “This “stressed-out” region of the northeastern slopes of Pavonis Mons contains multiple sets of sub-parallel faults, with down-thrown blocks indicating tensional … Continue reading

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THEMIS: Daedalia Planum’s lava flows

THEMIS Image of the Day, July 11, 2018. The lava flows in this VIS image originate at Arsia Mons. Arsia Mons in the southermost of the three large Tharsis volcanoes. More THEMIS Images of the Day by geological topic.

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HiRISE: Cliffs and stratified features in central Arabia Terra

Cliffs and stratified features in central Arabia Terra. Sedimentary rock? Layered materials looked as if mantled by dust. The goal of this observation is to capture some of the variety of erosional expressions  and stratigraphy. Beautiful Mars series. [More at … Continue reading

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