Tag Archives: wind

Opportunity: Sol 3601, March 11, 2014

Posted on March 12, 2014 by rburnham

Opportunity’s Panoramic camera takes a closer look at those dark-toned rounded rocks noted before on Sol 3600. This image was made using the left-side Pancam filter #5, which has a wavelength of 535 nanometers (green). This produces in grayscale approximately … Continue reading →

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THEMIS: Volcanic complexity in Tharsis

Posted on March 7, 2014 by rburnham

THEMIS Image of the Day, March 7, 2014. This VIS image shows a small region between Olympus Mons and Sulci Gordii. There are lava flows, tectonic depressions and channels visible in the image. All the features are related to the … Continue reading →

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HiRISE: Terrain on Ophir Mensa

Posted on March 3, 2014 by rburnham

Beautiful Mars series: Terrain on Ophir Mensa. More Beautiful Mars images.

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THEMIS image: Small and subtle

Posted on February 27, 2014 by rburnham

THEMIS Image of the Day, February 27, 2014. Windstreaks are a record of wind directions and are an important part of deciphering the history of the surface. This VIS image contains a very subtle windstreak in the bottom 1/3 of the … Continue reading →

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THEMIS image: More dust devils in Utopia

Posted on February 13, 2014 by rburnham

THEMIS Image of the Day, February 13, 2014. Looking at yet another portion of Utopia Planitia, we still find hundreds of dust devil tracks. More THEMIS Images of the Day by geological topic.

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THEMIS image: Changing winds

Posted on February 10, 2014 by rburnham

THEMIS Image of the Day, February 10, 2014. Bright windstreaks are located around several small craters at the top of this VIS image. The streaks indicate that the winds in this region are variable. There are streaks indicating winds blew … Continue reading →

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Mars Color Imager (MARCI) weather report, January 20-26, 2014

Posted on February 3, 2014 by rburnham

This past week, dust storm activity was prominent along the perennial north polar cap edge, while in the southern subtropics, there were several small transient storms over Solis. Water ice clouds were observed across the tropics and over all the … Continue reading →

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THEMIS image: windstreaks

Posted on January 31, 2014 by rburnham

THEMIS Image of the Day, January 31, 2014. The windstreaks in this VIS image are located on the lava plains between Pavonis Mons and Noctis Fossae. Streaks form on the down wind side of positive topographic features (like hills and crater … Continue reading →

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THEMIS image: Antoniadi Crater

Posted on January 23, 2014 by rburnham

THEMIS Image of the Day, January 23, 2014. This VIS image shows a portion of the floor of Antoniadi Crater. The faint, dark marks may be dust devil tracks.

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‘Faint young Sun paradox’ a problem for Mars (and Earth, too)

Posted on April 3, 2013 by rburnham

Astronomers say that billions of years ago when the Sun was young, it shone with only 70 percent its current brightness, notes Robert Craddock (Smithsonian Institution). If that were true of today’s Sun,

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