Category Archives: Reports

THEMIS: Dunes spill into pit in Rabe Crater

THEMIS Image of the Day, March 11, 2019. Today’s VIS image shows part of the dune field on the floor and within the pits of Rabe Crater. This crater, and a handful of others in Noachis Terra, have unique floors. … Continue reading

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How should astronauts search for life on Mars?

An international team of researchers, which includes scientists from McMaster’s School of Geography & Earth Sciences, NASA, and others, is tackling one of the biggest problems of space travel to Mars: what happens when we get there? A series of … Continue reading

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Recently formed crater clusters on Mars

[Editor’s note: From a paper by Ingrid Daubar and three co-authors recently published in the Journal of Geophysical Research.] Recently Formed Crater Clusters on Mars • We report on properties of new dated crater clusters on Mars; most clusters in … Continue reading

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MAVEN: Aerobraking to lower the orbit

The MAVEN spacecraft today [March 7] performed an aerobraking maneuver (with a 0.2 m/s ∆V) to decrease the periapsis, or lowest, altitude by 1.2 km. MAVEN’s periapsis altitude is now 125.5 km above the surface of Mars and the apoapsis, … Continue reading

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HiRISE: Layers in Meridiani

Layers in Meridiani. Despite the numerous data gaps with this observation, we can still get a closer look at the layers in Meridiani Planum. The hematite we find in this region is part of a layered sedimentary rock formation about … Continue reading

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THEMIS: Dunes in Nili Patera

THEMIS Image of the Day, March 8, 2019. Today’s false color image is located at Nili Patera in Syrtis Major Planum. There are regions of small dunes towards the top and the bottom of the image. The wide range of … Continue reading

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Defining the goals for collecting Mars samples

Returning samples from the surface of Mars has been a high-priority goal of the international Mars exploration community for many years. Although randomly collected samples would be potentially interesting, they would not be sufficient to answer the big questions that … Continue reading

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HiRISE: Colorful Mawrth Vallis

Mawrth Vallis is a place on Mars that has fascinated scientists because of the clays and other hydrated minerals detected from orbit. In this image, the enhanced black colors are most likely basaltic sands and rocks, while the green, yellow, … Continue reading

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Seeing Mars with 2020 vision: Jezero Crater and Oxia Planum

Both NASA and ESA hope their next Mars rovers will find evidence that life once thrived on Mars, but they have different strategies to reach this goal. Their landing site choices reflect this difference. Engineers are assembling two ambitious rover … Continue reading

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THEMIS: Canyons of Ius Chasma

THEMIS Image of the Day, March 7, 2019. This false-color VIS image shows part of the southern cliff face of Ius Chasma, part of the giant Valles Marineris rift system. The THEMIS VIS camera contains 5 filters. The data from … Continue reading

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