Tag Archives: Mars Reconnaissance Orbiter

HiRISE: Knobs on the rim of a circular feature

Knobs on the rim of a circular feature. And there might be clays on this cluster of knobs which as a unit, look very interesting. Beautiful Mars series. [More at links]

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HiRISE: Intricate CO2 frost patterns

This polar terrain is cut by an intricate pattern of channels. Carbon dioxide frost in the channels make them bright at this time of year. [More at link]

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HiRISE: Clay outcrop near Maja Valles

A clay outcrop near Maja Valles. Maja Valles is a large, ancient outflow channel in the Lunae Palus quadrangle on Mars. The name is a Nepali word for “Mars”, and parts of the system have been partially buried by thin volcanic … Continue reading

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MARCI weather report: September 17-23, 2018

During the past week, dusty conditions continued along the retreating seasonal south polar ice cap edge. Sites of activity included Aonia, southern Sirenum, and southwest of Hellas — near the ‘Mountains of Mitchel.’ Looking further northward, dust lifting was relatively … Continue reading

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HiRISE: Clays in a well-preserved impact crater in Acidalia Planitia

Clays in a well-preserved impact crater in Acidalia Planitia. Beautiful Mars series. [More at links]

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HiRISE: Up above the dust clouds

When much of Mars was enshrouded by a recent massive dust storm, HiRISE captured this clear view of the surface because of the target’s unique location. Olympus Mons is the biggest volcano in the Solar System, reaching a height of … Continue reading

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HiRISE: Martian haze

A massive, planet-encircling dust storm occurred on Mars during the summer of 2018, resulting in many images where the surface could not be seen due to the dust. This is a problem for HiRISE but also gives us an exciting … Continue reading

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HiRISE: Crater on north polar layered deposits

Crater on north polar layered deposits. Even at HiRISE resolution, it’s difficult to spot in black and white, but the color enhanced picture at full resolution tells a different story. Beautiful Mars series. [More at links]

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HiRISE: Dark dunes in Ius Chasma

Dark dunes in Ius Chasma. This image is part of a campaign to monitor the dunes over three Martian years. Beautiful Mars series. [More at links]

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HiRISE: Thousands of spiders on Mars

As part of the Planet Four citizen science effort, volunteers searched Context Camera images for possible new locations on Mars with “spiders,” or features with radial troughs from which fans emanate in the springtime. We planned this HiRISE image over … Continue reading

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