Tag Archives: wind streaks

THEMIS: Dunes, wrinkle ridges, wind streaks

Posted on October 24, 2017 by rburnham

THEMIS Image of the Day, October 24, 2017. This image shows part of the dune field near Meroe Patera. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds are blowing the dunes … Continue reading →

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THEMIS: Wind streaks near Meroe Patera

Posted on October 20, 2017 by rburnham

THEMIS Image of the Day, October 20, 2017. This image shows part of the dune field near Meroe Patera. High resolution imaging by other spacecraft has revealed that the dunes in this region are moving. Winds from the northeast (upper … Continue reading →

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Trace Gas Orbiter: Clouds over lava flows

Posted on October 16, 2017 by rburnham

Diffuse, water-ice clouds, a hazy sky and a light breeze. Such might have read a weather forecast for the Tharsis volcanic region on Mars on 22 November 2016, when this image was taken by the ExoMars Trace Gas Orbiter. Clouds, … Continue reading →

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THEMIS: Dunes, dust devil tracks, and wind streaks on northern polar lowlands

Posted on June 21, 2017 by rburnham

THEMIS Image of the Day, June 21, 2017. Do you see what I see? Look out, a barrage of bullets is headed our way! (THEMIS Art #130) More THEMIS Images of the Day by geological topic.

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Tornado-like winds from impacts scoured surface

Posted on May 18, 2017 by rburnham

Plumes of vapor generated by ancient impacts on Mars created tornado-like winds possibly swirling at more than 500 miles per hour, which explain mysterious streaks seen near large impact craters on the Martian surface. In looking at NASA images of … Continue reading →

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THEMIS: Grazing light at sunrise on lava flows

Posted on January 26, 2017 by rburnham

THEMIS Image of the Day, January 26, 2017. The grazing light of sunrise, coming from the right, reveals edges and other details in lava flows of Daedalia Planum. These flows come from Arsia Mons volcano. A windstreak is visible at … Continue reading →

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THEMIS: Wind streaks on Syrtis Major Planum

Posted on January 2, 2017 by rburnham

THEMIS Image of the Day, January 2, 2017. Today’s false color image shows several wind streaks in Syrtis Major Planum. Here the winds have blown from the northeast (upper right). As the wind passes over craters, its flow becomes turbulent, … Continue reading →

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THEMIS: Windstreak on Daedalia Planum

Posted on October 26, 2016 by rburnham

THEMIS Image of the Day, October 26, 2016. The “tail” behind the crater at the top of this VIS image is called a windstreak. This feature is formed by winds blowing over, in, and around the crater. Turbulence in the … Continue reading →

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THEMIS: Wind streaks on Daedalia Planum

Posted on September 23, 2016 by rburnham

THEMIS Image of the Day, September 23, 2016. This VIS image shows part of Daedalia Planum as well as several windstreaks. There is a large streak in the bottom half of the frame from a large crater off the image … Continue reading →

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THEMIS: Syrtis Major wind streaks in false color

Posted on September 12, 2016 by rburnham

THEMIS Image of the Day, September 9, 2016. Today’s false color image shows part of Syrtis Major Planum, including several wind streaks that show winds are blowing from the northeast (upper right).  The THEMIS camera contains 5 filters. The data from … Continue reading →

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