Tag Archives: NASA

HiRISE: Fresh impact near Airy Crater

A fresh impact near Airy Crater. By “fresh,” we are speaking in geological terms, of course, as this impact did not occur in our lifetimes. But we can still see the rim and the ejecta around the crater fairly well. This … Continue reading

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Mars VR software wins NASA award

A mixed-reality software that allows scientists and engineers to virtually walk on Mars recently received NASA’s 2018 Software of the Year Award. OnSight uses imagery from NASA’s Curiosity rover to create an immersive 3D terrain model, allowing users to wander … Continue reading

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MARCI weather report, October 1-7, 2018

Weather patterns on Mars were fairly typical last week. Large dust lifting activity associated with the defrosting south polar seasonal ice cap continued over southern Sirenum and Aonia. The western hemisphere of these polar latitudes also had some small dust … Continue reading

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THEMIS: Subdued northern plains craters

THEMIS Image of the Day, October 10, 2018. This VIS image shows the margin and ejecta surrounding two craters located in the northern plains. The rim and ejecta are very subdued compared to craters elsewhere in the same region. The … Continue reading

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HiRISE: Terrain at the intersection of a valley and crater floor

Terrain at the intersection of a valley and crater floor. Beautiful Mars series. [More at links]

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HiRISE: Summit dunes and their sand sources

The ultimate origin of the sediment that forms Martian dunes has long been debated. While sand dunes on Earth are primarily sourced by quartz-bearing components of granitic continental crust, it’s often suggested that sand on Mars derives from eroded volcanic … Continue reading

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Curiosity update: Crystal balls may show the future, but gypsum crystals tell us about the past

[Ed note: Post by MSL scientist Abigail Fraeman, NASA/JPL] As Curiosity continues to mend, I’ve been looking forward to our next drill sample of gray rock. Some interesting features we’ve seen on Vera Rubin Ridge are small “swallowtail crystals” often … Continue reading

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THEMIS: Acidalia’s Bonestell Crater in false colors

THEMIS Image of the Day, October 9, 2018. This VIS image shows Bonestell Crater located in Acidalia Planitia. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false … Continue reading

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HiRISE: Tell-tale bedrock in Tyrrhena Terra

Large craters, like this 50-kilometer diameter one, can uplift material from below and form a mountain-like central peak. Craters of this size on Mars become unstable as they form and collapse due to gravity. Craters with central peaks and terraced … Continue reading

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Opportunity report, Sol 5222, by A.J.S. Rayl, The Planetary Society

October 4, 2018: Team Initiates Plan to Recover Oppy, Orbiter Sends Postcard, Storm Ends: As the global storm that wrapped the Red Planet in a cloud of dust since late June finally gave up the ghost in September, the sky … Continue reading

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