Tag Archives: Terra Sirenum

THEMIS: Newton Crater’s crater

THEMIS Image of the Day, April 24, 2017. Today’s false color image shows an unnamed crater located on the floor of Newton Crater in Terra Sirenum. The THEMIS VIS camera contains 5 filters. The data from different filters can be … Continue reading

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HRSC: Crater triplets

At first glance this scene may seem nothing out of the ordinary, but the large elongated crater marks the imprint of an impacting body that may have broken into three before it hit Mars. The images were acquired by ESA’s … Continue reading

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HiRISE: Possible chloride-rich deposits in Terra Sirenum

Possible chloride-rich deposits in Terra Sirenum. Beautiful Mars series.

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THEMIS: Active sand dunes in Sirenum crater

THEMIS Image of the Day, March 6, 2017. Today’s VIS image shows a field of dunes on the floor of an unnamed crater in Terra Sirenum. Their dark color indicates they are dust-free and suggests that the dune sands are … Continue reading

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HiRISE: A small valley within a larger valley

A small valley within a larger valley in Terra Sirenum. Beautiful Mars series.

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HiRISE: Old features and new

This image covers a portion of a typical impact crater in Terra Sirenum at about 40 degrees south latitude on Mars. At the top of the image, outside the crater rim, there is a mid-latitude mantle, rough in places where … Continue reading

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THEMIS: Channel cutting through Terra Sirenum

THEMIS Image of the Day, December 14, 2016. The channel in this VIS image is located in Terra Sirenum. More THEMIS Images of the Day by geological topic.

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THEMIS: ‘Channels’ in Icaria Fossae

THEMIS Image of the Day, December 8, 2016. The channel-like features in this VIS image are tectonic graben. The graben (called Icaria Fossae) are located in Terra Sirenum. The graben are caused by tectonic forces that faulted the bedrock, allowing … Continue reading

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THEMIS: Gullies, channels, slumps in Terra Sirenum

THEMIS Image of the Day, October 31, 2016. This VIS image shows a group of craters in Terra Sirenum. The elongate crater in the top half of the image has numerous gullies dissecting the inner crater rim as will has … Continue reading

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THEMIS: Gullies, ejecta at Palikir Crater

THEMIS Image of the Day, October 27, 2016. Today’s VIS image is of Palikir Crater in Terra Sirenum. The inner rim of the crater is dissected with numerous gullies. In higher resolution images from other imagers these gullies are the … Continue reading

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