Category Archives: Reports

Curiosity update: Exploring the new terrain – one measurement at a time

Sols 2315-17, February 11, 2019, update by MSL scientist Suzanne Schwenzer: Curiosity is driving across the clay-bearing unit, which is still a very new terrain with many details yet to be understood. The region is covered in little pebbles – … Continue reading

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HiRISE: An elongated pit in Margaritifer Terra

An elongated pit in Margaritifer Terra. There is nothing more interesting than a feature that resembles a giant amoeba. Margaritifer Terra is an ancient, heavily cratered region, centered just south of the Martian equator, and covers 2600 kilometers at its … Continue reading

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Opportunity: More than 835 recovery commands have been sent

NASA Mars Exploration Rover Status Report, February 7, 2019: Mars atmospheric opacity (tau) over the rover site is estimated to be somewhere in the range of 0.9 to 1.3. No signal from Opportunity has been heard since Sol 5111 (June … Continue reading

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THEMIS: Floods of once-molten rock spread across Daedalia Planum

THEMIS Image of the Day, February 11, 2019. Today’s VIS image shows part of the extensive volcanic flows that make up Daedalia Planum. The different layers and surface textures are due to flows at different times, or the affect of … Continue reading

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HiRISE: Wind flow

The atmospheric pressure on Earth at sea level is about 1 bar. On Mars, the pressure is 6 to 10 millibars, or 1/100th that of our planet. But even in this atmosphere, wind still flows around obstacles. In this image … Continue reading

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Curiosity departs Vera Rubin Ridge

After exploring Mars’ Vera Rubin Ridge for more than a year, NASA’s Curiosity rover recently moved on. But a new 360-video lets the public visit Curiosity’s final drill site on the ridge, an area nicknamed “Rock Hall.” The video was … Continue reading

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Weather at Gale Crater

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HiRISE: Layered history

The geologic history of a planet is written in its layers. Erosion of the surface reveals several shades of light toned layers, likely sedimentary deposits. The most recent geologic features are the narrow sand dunes snaking across the top of … Continue reading

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THEMIS: Noachis crater dunes

THEMIS Image of the Day, February 8, 2019. Sand dunes cover part of the floor of this unnamed crater in Noachis Terra. Their dark tint suggests they are relatively free of light-toned dust, hence probably active under winds currently. See … Continue reading

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Boulder trails suggest possible recent marsquakes

[Editor’s note: From a paper by Jason Brown and Gerald Roberts co-authors recently published in the Journal of Geophysical Research.] Possible evidence for variation in magnitude for marsquakes from fallen boulder populations, Grjota Valles, Mars Boulder trail populations were measured … Continue reading

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