Tag Archives: Hellas Basin

HRSC: Frosty Martian valleys

Posted on March 24, 2016 by rburnham

Nestled within the fractured rim of a vast impact basin on Mars are valley floors dusted in frost. At 2200 km wide and up to 9 km deep, the Hellas Basin is the largest impact crater on Mars. This scene, … Continue reading →

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HiRISE: Clays exposed by an impact

Posted on November 9, 2015 by rburnham

Clays exposed by an impact in Tyrrhena Terra  — Tyrrhena Terra is south of the Martian equator and immediately northeast of the giant Hellas basin. Beautiful Mars series.

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HiRISE: Purple mountain’s majesty

Posted on July 17, 2015 by rburnham

This image of an isolated mountain in the Southern highlands reveals a large exposure of “purplish” bedrock. Since HiRISE color is shifted to longer wavelengths than visible color and given relative stretches, this really means that the bedrock is roughly … Continue reading →

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HiRISE: Channel system & patterned ground near Hellas

Posted on July 3, 2015 by rburnham

In this image, we explore the southwestern floor of a 50-kilometer diameter unnamed crater, about 100 kilometers northeast of Hellas Basin. The crater’s rim is breached (see Google context image below) on both the north and south by a valley … Continue reading →

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