Tag Archives: NASA

HiRISE: Complex gullies in a crater

Most gullies in the southern mid-latitudes are on south-facing slopes, which are the coldest and have the most frost in the winter. However, some occur on other slopes. This image shows large gullies on both the pole- and equator-facing slopes. … Continue reading

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HiRISE: Central deposits in Pasteur Crater

Central deposits in Pasteur Crater. Caption throwback: The deposits in this image are eroding into knobs and ridges. The erosion is probably dominated by wind, as most of the ridges are parallel. This is common in wind-eroded features, with the … Continue reading

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MARCI weather report, March 11-17, 2019

Last week on Mars, dust-lifting events continued over southern Aonia and Sirenum. The eastward movement of these storms lofted dust into the Argyre impact basin on multiple sols. The Hellas impact basin, on the other hand, was largely unobscured from … Continue reading

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HiRISE: Fan, meet layered deposit

Fan, meet layered deposit. This is a gorgeous fan reaching out into deposits in east Candor Chasma. Did landslides deform the layered material? HiRISE Picture of the Day archive [More at links]

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Curiosity: Up close on Muir of Ord

Sol 2352, March 19, 2019. Curiosity gave the cracked rock dubbed Muir of Ord a close looking-over. At top is part of the front Hazcam view, setting the scene, while at right are Mars Hand Lens Imager (MAHLI) closeups on … Continue reading

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HiRISE: In the gullies and bedrock of Ius Chasma

This image was acquired in Ius Chasma, a major section of the western portion of the giant Valles Marineris trough. We see a portion of a steep slope with gullies extending downhill (towards bottom of image). Many of the gully … Continue reading

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THEMIS: Wood-grain patterns in ice and dust

THEMIS Image of the Day, March 20, 2019. This VIS image shows layering in the south polar cap. The layers are formed over thousands of years of seasonal change, reflecting ice and dust surface deposition. Where the layers appear close … Continue reading

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Latest weather at Gale Crater and Elysium Planitia

Daily Elysium charts and data (temperature, wind speed, atmospheric pressure) here.

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2020 rover has landed in Jezero Crater again and again

In a little more than seven minutes in the early afternoon of Feb. 18, 2021, NASA’s Mars 2020 rover will execute about 27,000 actions and calculations as it speeds through the hazardous transition from the edge of space to Mars’ … Continue reading

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HiRISE: We found geology in a chaotic place

We found geology in a chaotic place. The terrain here lives up to its description as “chaotic:” we see small hills, mesas, buttes and valleys. This area is called Oxia Palus, and its debris likely came from Ravi Vallis, which … Continue reading

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