Tag Archives: NASA

THEMIS: Big impacts and little in Terra Cimmeria

THEMIS Image of the Day, March 13, 2019. This VIS image contains three craters. There is a quarter of the largest crater in the top half of the image, half of a smaller crater at the very top, and the … Continue reading

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HiRISE: Streaking on Mars

Streaking on Mars. Wind streaking, that is. Here’s the suggester’s rationale for acquiring this image: “There’s a field of two-tailed bright wind streaks here that are really neat. They seem unique to the area. It would be nice to get … 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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THEMIS: Daedalia Planum lava flows

THEMIS Image of the Day, March 12, 2019. Today’s VIS image shows a small part of Daedalia Planum.(Note that sunlight in this image is coming from the right.) The lava flows originate from Arsia Mons, one of the large volcanoes … Continue reading

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HiRISE: A margin of lava

A margin of lava. This lava margin in Cerberus Palus is part of the Athabasca Valles flow. There are also lava coils in this region, something we did not know existed on Mars until HiRISE took an image. The lava … Continue reading

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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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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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