Category Archives: Reports

HiRISE: A volcanic fissure

Although Mars is known for having the largest volcano in our Solar System, Olympus Mons, we also find small-scale volcanic features on its surface. This fissure, less than 500 meters across at its widest point, lies in the Tharsis region … Continue reading

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Curiosity: Rough pavement ahead

Sol 1678, April 26, 2017. Curiosity has crossed the Bagnold Dune Field and is heading for Vera Rubin Ridge (formerly Hematite Ridge). As a result, the path ahead, as shown in the Navcam composite above, lies across slabby rocks with … Continue reading

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MARCI weather report, April 17-23, 2017

The red planet continued to display dust-lifting and water-ice clouds along the seasonal north polar ice cap edge this past week. The plains of Chryse and western Amazonis also experienced a local-scale dust storm or two in the second half … Continue reading

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HiRISE: North Ismeniae Fossae scarp

North Ismeniae Fossae scarp. Beautiful Mars series.

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THEMIS: Aonia Terra crater ejecta in false color

THEMIS Image of the Day, April 26, 2017. Today’s false color image shows several small craters in Aonia Terra. The false colors help show differences in the patterns of debris ejected in the impacts. The THEMIS VIS camera contains 5 … Continue reading

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Opportunity: Head of the valley just ahead

Sol 4711, April 25, 2017. After a 36-meter (120-foot) drive to the southeast, the Pancam shows the head of Perseverance Valley as a shallow notch in the center of this three-frame composite. It lies about 100 meters (330 feet) away. … Continue reading

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HiRISE: Windblown sand in Ganges Chasma

Dark, windblown sand covers intricate sedimentary rock layers in this image from Ganges Chasma, a canyon in the Valles Marineris system. These features are at once familiar and unusual to those familiar with Earth’s beaches and deserts. Most sand dunes … Continue reading

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Mars’ big-impact history had a post-accretion lull

From the earliest days of our solar system’s history, collisions between astronomical objects have shaped the planets and changed the course of their evolution. Studying the early bombardment history of Mars, scientists at Southwest Research Institute (SwRI) and the University … Continue reading

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Opportunity: Rover backtrail

Sol 4710, April 24, 2017. The Navcam shot a semi-pan looking back north and showing the rover’s tracks as it came down from Cape Tribulation and across the level separating that cape from the next one south, Cape Byron. The … Continue reading

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THEMIS: Matara Crater’s sand sheet

THEMIS Image of the Day, April 25, 2017. Today’s false color image shows part of the floor of Matara Crater, including the sand sheet with surface dune forms. Matara Crater is located in Noachis Terra, the oldest part of the … Continue reading

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