Category Archives: Reports

THEMIS: Bumpy hills of Arianes Colles

THEMIS Image of the Day, March 18, 2019. Today’s VIS image shows part of Ariadnes Colles. The term colles means hills or knobs. The hills appear brighter than the surrounding lowlands, likely due to relatively less dust cover. Ariadnes Colles … Continue reading

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Curiosity: OK, where are we?

Sol 2347, March 14, 2019. With the rover back online, mission controllers directed Curiosity to take a 12-frame panorama using the Navcam. The composite above looks ahead, while the one below looks behind. Click either image to enlarge it. Sol … Continue reading

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HiRISE: When the lighting is just right

When the lighting is just right. Almost all of our images are taken in the Martian afternoon, around 3 p.m., and sometimes the lighting conditions make a particularly striking image. These are layered sediments in east Melas Chasma. HiRISE Picture … Continue reading

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THEMIS: South polar ice cap layers

THEMIS Image of the Day, March 15, 2019. This VIS image is located on the South Polar cap. The linear features are the steep side of a polar trough. At troughs the extensive layering of the ice is exposed. The … Continue reading

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Curiosity update: Ctrl+Alt+Del

Sols 2347-48, March 14, 2019, update by MSL scientist Scott Guzewich: Curiosity is back to work after another hiatus due to a computer reset. These sorts of resets do happen from time to time for operating spacecraft and we’re able … Continue reading

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ExoMars: Images of InSight lander and more

Curious surface features, water-formed minerals, 3D stereo views, and even a sighting of the InSight lander showcase the impressive range of imaging capabilities of the ExoMars Trace Gas Orbiter. The ESA-Roscosmos Trace Gas Orbiter, or TGO, launched three years ago … Continue reading

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HiRISE: Overlapping rims of craters

Overlapping rims of craters. This image is, literally, of the overlapping part on the eastern side, so it might not be obvious there are two craters here. Nonetheless, our objective is to observe the elevation change in the craters along with … Continue reading

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Curiosity: What’s in front, what’s behind

Sol 2346, March 13, 2019. Front and rear views from the right-side Hazcams show the immediate surroundings of Curiosity. (Click either image to enlarge it.) The rear view gives a slightly different perspective on the layered rock dubbed Muir of … Continue reading

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THEMIS: Claritas Fossae channel

THEMIS Image of the Day, March 14, 2019. Today’s VIS image shows a section of an unnamed channel. This channel starts in Claritas Fossae and empties down into Icaria Planum. The linear features that parallel the sides of the image … Continue reading

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Lake under south polar ice cap requires local heat source

Thermal modeling suggests that active magmatism in the past few hundred thousand years could account for the presence of a large lake previously hypothesized beneath the Red Planet’s southern ice cap. Liquid water appears to be a fundamental requirement for … Continue reading

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