Tag Archives: sand dunes

HiRISE: Dunes in low southern latitudes

Posted on April 10, 2019 by rburnham

Dunes in low southern latitudes. The objective of this observation is to examine a small field of dunes. HiRISE Picture of the Day archive. [More at links]

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THEMIS: Sand dunes and sheets in Arabia Terra

Posted on April 10, 2019 by rburnham

THEMIS Image of the Day, April 10, 2019. This false-color VIS image is located in an unnamed crater in Arabia Terra. Dark blue tones in false color indicate basaltic sands. These sands have created the dunes seen in this image, … Continue reading →

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THEMIS: Syrtis Major Planum in false color

Posted on April 5, 2019 by rburnham

THEMIS Image of the Day, April 5, 2019. This false-color VIS image is located in the center of Syrtis Major Planum. At the top of the image is Nili Patera, a volcanic summit. The sand dunes located near Nili Patera … Continue reading →

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HiRISE: Frost-covered dunes

Posted on April 1, 2019 by rburnham

Frost-covered dunes. Sprinkled with hopes and dreams, no less. This is a relatively new monitoring site that seems to have heavy carbon-dioxide snowfall. HiRISE Picture of the Day archive [More at links]

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Curiosity: Rolling along behind the ridge

Posted on March 29, 2019 by rburnham

Sol 2361, March 29, 2019. Leaving a zigzag track (click the composite image above), Curiosity continues to roll northeastward behind Vera Rubin Ridge, roughly paralleling its direction. Sand dune “blow-overs” are visible to the left of the rover in the … Continue reading →

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THEMIS: Dunes in a Noachis Terra crater

Posted on March 19, 2019 by rburnham

THEMIS Image of the Day, March 19, 2019. This VIS image shows part of the floor of an unnamed crater in Noachis Terra. Individual dunes and a large sand sheet with surface dune morphology fill a large area of the … Continue reading →

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Winds of Jezero Crater

Posted on March 19, 2019 by rburnham

[Editor’s note: From a paper by Mackenzie Day and Taylor Dorn recently published in Geophysical Research Letters.] Wind in Jezero crater, Mars • Modern winds in Jezero crater come from the east, but ancient winds came from the southwest • … Continue reading →

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HiRISE: Surface texture

Posted on March 18, 2019 by rburnham

Surface texture. Interesting how the dune ripples within these shallow craters all seem to have a similar orientation. This image is within a crater in the Arabia Terra region. HiRISE Picture of the Day archive [More at links]

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THEMIS: Dunes spill into pit in Rabe Crater

Posted on March 11, 2019 by rburnham

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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THEMIS: Dunes in Nili Patera

Posted on March 8, 2019 by rburnham

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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