Tag Archives: Hellas Planitia

HiRISE: Contact between two distinct types of bedrock northwest of Hellas Planitia

Posted on January 26, 2017 by rburnham

In this context image is an old degraded crater that has undergone a complex history of burial and erosion. The image shows a surface with at least two types of exposed bedrock, one that is light-toned and one that is … Continue reading →

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HiRISE: Channels in crater NE of Hellas Planitia

Posted on October 5, 2016 by rburnham

Channels in crater northeast of Hellas Planitia. Beautiful Mars series.

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HiRISE: 3-km crater & bedrock north of Hellas

Posted on September 2, 2016 by rburnham

3-kilometer crater and bedrock exposures north of Hellas Planitia. Beautiful Mars series.  

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HiRISE: Hellas Planitia floor

Posted on August 3, 2016 by rburnham

Hellas Planitia floor. Beautiful Mars series.

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HiRISE: Nested channels near Hellas

Posted on October 6, 2015 by rburnham

We’re not sure if this channel-inside-a-channel was carved by flowing water or lava. Flowing water erodes channels, and flowing lava both erodes and melts surrounding rock to form channels. It’s not clear whether a huge surge of water or lava … Continue reading →

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HiRISE: Crater north of Hellas, with clay minerals?

Posted on August 24, 2015 by rburnham

I keep a silent vigil. A crater to the north of Hellas Planitia with possible phyllosilicates in the ejecta. Beautiful Mars series.

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THEMIS: Channel

Posted on June 30, 2015 by rburnham

THEMIS Image of the Day, June 30, 2015. This unnamed channel is draining from the highlands of Promethei Terra to lowlands of the Hellas Basin. More THEMIS Images of the Day by geological topic.

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Dust storms in Hellas Planitia

Posted on June 3, 2015 by rburnham

Planetary Geomorphology Image of the Month, June 2015: Martin Voelker and Daniela Tirsch (Institute of Planetary Research, German Aerospace Center, Berlin). In July 2012 the Context Camera (CTX) on board Mars Reconnaissance Orbiter (MRO) observed an upcoming and well-defined dust … Continue reading →

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HiRISE: Pitted landforms, southern Hellas Planitia

Posted on March 26, 2015 by rburnham

This image is of a portion of the Southern plains region within Hellas, the largest impact basin on Mars, with a diameter of about 2300 kilometers (1400 miles). There are three main phenomena apparent in this image. First, the faint … Continue reading →

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HiRISE: Channel northeast of Hellas Planitia

Posted on February 3, 2015 by rburnham

Channel near a crater to the northeast of Hellas Planitia. Beautiful Mars series.

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