Category Archives: Reports

HiRISE: Rupes Tenuis

Rupes Tenuis. While it may sound like a medical condition, Rupes Tenuis is actually a scarp in the north polar region. We took this image to track any changes from a 2012 observation. (The name is Latin for “thin cliff”.) … Continue reading

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THEMIS: Chasma Boreale in false color

THEMIS Image of the Day, February 25, 2019. This false color image is located near the head of Chasma Boreale, a large trough in the north polar cap. The floor of the trough is mostly ice free. The linear features … Continue reading

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Curiosity: Operating normally after a reset

NASA’s Curiosity rover is busy making new discoveries on Mars. The rover has been climbing Mount Sharp since 2014 and recently reached a clay region that may offer new clues about the ancient Martian environment’s potential to support life. Curiosity … Continue reading

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HiRISE: Sinuous ridge in Peraea Cavus

A sinuous ridge in Peraea Cavus. In addition to the ridge, there’s also bright deposits here. A cavus is an irregular steep-sided depression usually in arrays or clusters. HiRISE Picture of the Day archive [More at links]

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THEMIS: Volcanic plains east of Olympus Mons

THEMIS Image of the Day, February 22, 2019. This VIS false-color image shows a small part of the extensive volcanic plains located east of the giant volcano Olympus Mons. While the colors are generally soft and subtle, they indicate real … Continue reading

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InSight update, Sols 43-83, by Emily Lakdawalla, The Planetary Society

Now that InSight has finished placing both science instruments and the wind cover, the arm’s required work is done and the science team can set about commissioning their instruments. For the heat probe instrument, commissioning involves driving its instrumented “mole” … Continue reading

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Mars Express: Signs of ancient flowing water

These images from ESA’s Mars Express satellite show a branching, desiccated system of trenches and valleys, signs of ancient water flow that hint at a warmer, wetter past for the Red Planet. We see Mars as a cold, dry world, … Continue reading

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HiRISE: Following the tracks

Dust devils on Mars often create long, dark markings where they pull a thin coat of dust off the surface. This image shows a cluster of these tracks on the flat ground below the south polar layered deposits, but none … Continue reading

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THEMIS: Basaltic sands in Marth Crater

THEMIS Image of the Day, February 21, 2019. This false color image shows part of the floor of Marth Crater. Dark blue tones typically indicate basaltic sands. Wind action is blowing the sand and dust to the southern side of … Continue reading

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MARCI weather report, February 11-17, 2019

Martian weather patterns were fairly typical for this time of season, this past week. Local-scale dust storms pushed eastward along the margins of the seasonal north polar cap. A couple of these storms pushed southward across Acidalia near the beginning … Continue reading

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