Tag Archives: Terra Sirenum

THEMIS: Wind-blown debris in channel

Posted on September 2, 2019 by rburnham

THEMIS Image of the Day, September 2, 2019. Several named and unnamed channels are located south of the Medusae Fossae Formation on the margin with Terra Sirenum. One of the unnamed channels is visible in the lower half of this … Continue reading →

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HiRISE: Transition

Posted on July 1, 2019 by rburnham

Transition. This image shows where a fluvial channel changes from a depression to an inverted high standing channel in Terra Sirenum. That change likely marks the spot where the material was possibly elevated and more resistant to erosion. HiRISE Picture … Continue reading →

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THEMIS: Dune patch in a Sirenum crater

Posted on January 29, 2019 by rburnham

THEMIS Image of the Day, January 29, 2019. A field of sand dunes is visible on the floor of this unnamed crater. The crater is located in Terra Sirenum. See more THEMIS Images of the Day by geological subject.

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THEMIS: Gullies in Terra Sirenum

Posted on January 25, 2019 by rburnham

THEMIS Image of the Day, January 25, 2019. Multiple gullies dissect the rim of an unnamed crater located in Terra Sirenum. Towards the bottom of the image several small gullies are visible located on the rim of an older crater. … Continue reading →

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THEMIS: Out of round

Posted on January 21, 2019 by rburnham

THEMIS Image of the Day, January 21, 2018. This VIS image shows a group of craters in Terra Sirenum. The apparent youngest one is the center crater with the scalloped rim. Subsurface tectonic features like faults can interfere with crater … Continue reading →

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THEMIS: Terra Sirenum crater dunes

Posted on January 3, 2019 by rburnham

THEMIS Image of the Day, January 3, 2019. Dark dunes fill part of the floor of this unnamed crater in Terra Sirenum. There are numerous gullies on the rim of the crater. Winds are moving the sand towards the upper … Continue reading →

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HiRISE: Looking at martian salts and clays

Posted on November 27, 2018 by rburnham

This 3D perspective view is a composite of both HiRISE and data from CRISM, another instrument onboard MRO. This view covers a small patch of ancient Martian real estate in Terra Sirenum. CRISM collects spectral data that can be used … Continue reading →

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THEMIS: Landslide in Terra Sirenum crater

Posted on November 15, 2018 by rburnham

THEMIS Image of the Day, November 15, 2018. A small landslide deposit is visible at the bottom left corner of this VIS image. The landslide is in an unnamed crater in Terra Sirenum. See more THEMIS Images of the Day … Continue reading →

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THEMIS: Small channel in Terra Sirenum

Posted on November 13, 2018 by rburnham

THEMIS Image of the Day, November 13, 2018. A small channel system dissects the rim of this unnamed crater in Terra Sirenum. The plains around the crater rim show faint dark streaks, tracks left by dust devils. See more THEMIS … Continue reading →

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THEMIS: Channels flowing from a ridge

Posted on November 9, 2018 by rburnham

THEMIS Image of the Day, November 9, 2018. This VIS image is located in Terra Sirenum. The bright linear feature at the bottom of the image is the crest of a ridge. The multiple channel features toward the top of … Continue reading →

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