Tag Archives: dust devil tracks

THEMIS: Kaiser Crater dunes

THEMIS Image of the Day, April 23, 2019. This VIS image shows large individual dunes on the floor of Kaiser Crater. Small dark lines to the right of the sand dunes are the tracks made by dust devils as they … Continue reading

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Trace Gas Orbiter: Dust devil detail

Mars may have a reputation for being a desolate world, but it is certainly not dead: its albeit thin atmosphere is still capable of whipping up a storm and, as this image reveals, send hundreds – maybe even thousands – … Continue reading

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Mars Express: Dark dust devil tracks

The winds of Mars are responsible for myriad features across the planet’s surface – including the dark dunes and wispy, filament-like streaks seen in this image from ESA’s Mars Express. The intriguing features shown here are ‘dust devil’ tracks: as … Continue reading

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HiRISE: Blink and you’ll miss them

Blink and you’ll miss them. The dust devil tracks in this image have faded considerably since an earlier image, something we wanted to measure. If you look to the lower left and center, you can still see some of them. … Continue reading

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THEMIS: High-latitude dune field

THEMIS Image of the Day, February 14, 2019. Today’s VIS image shows a dune field on a crater floor in Terra Cimmeria. Dunes at high latitudes – near the polar caps – are affected by seasonal frost and ice. The … Continue reading

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THEMIS: Dune swirl in Terra Cimmeria

THEMIS Image of the Day, February 6, 2019. Sand dunes cover part of the floor of this unnamed crater in Terra Cimmeria. See more THEMIS Images of the Day by geological subject.

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HiRISE: For your consideration

For your consideration. An alien landscape with dust devil streaks and craters slowing fading away into the mists of time. A twilight zone of geology, if you will. (Features like this are often called “thumbprint terrain”.) HiRISE Picture of the … Continue reading

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THEMIS: Dunes and dust devil tracks in Terra Cimmeria

THEMIS Image of the Day, January 30, 2019. This unnamed crater in Terra Cimmeria has both a sand sheet with dune forms and a multitude of dust devil tracks. The linear and scalloped dark marks are created by dust devils … Continue reading

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THEMIS: Dust devil tracks in Promethei Terra

THEMIS Image of the Day, January 2, 2019. This VIS image shows a region dense with dust devil tracks (and several pedestal craters). Located in Promethei Terra, these tracks run parallel to the nearby southeastern margin of Hellas Planitia. The … Continue reading

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HiRISE: Active dunes in Wirtz Crater

These gorgeous dunes are likely active, with ripples on their upwind slopes and dark streaks on their downwind slopes forming and changing due to wind-driven sand motion. This motion will also keep the dune brink (the edge between the two … Continue reading

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