Tag Archives: Hellas Basin

HiRISE: Pits on a crater floor

Posted on August 20, 2019 by rburnham

Pits on a crater floor. These pits are also showing some great exposure of bedrock on the floor of this massive, ancient crater, located northwest of the Hellas impact basin. HiRISE Picture of the Day archive. [More at links]

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Mars Express: Dark dust devil tracks

Posted on March 28, 2019 by rburnham

The winds of Mars are responsible for myriad features across the planet’s surface – including the dark dunes and wispy, filament-like streaks seen in this image from ESA’s Mars Express. The intriguing features shown here are ‘dust devil’ tracks: as … Continue reading →

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HiRISE: A first look at dunes

Posted on January 24, 2019 by rburnham

This image shows us a cross-section of a dune field. Dune shape depends on several factors, including the amount of sand present and the local wind directions. This dune field displays several distinct dune morphologies. We see both individual barchan-like … Continue reading →

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HiRISE: Fall in the Hellas Basin

Posted on January 17, 2018 by rburnham

Fall in the Hellas Basin. We took this image during the Martian fall in the Southern Hemisphere, in the giant impact crater known as Hellas Basin where small boulders cast long shadows. The long shadows emphasize small scale topographic features. … Continue reading →

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HRSC: Crashing into martian mud

Posted on September 15, 2017 by rburnham

An impactor smashing into an ice-rich surface gave rise to the complex flow features around this ancient crater on Mars. Impacts of comets and asteroids have shaped the surfaces of rocky planets and moons over the Solar System’s 4.6 billion … Continue reading →

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HiRISE: Sulfates in the northwest Hellas region

Posted on August 4, 2017 by rburnham

Sulfates in the northwest Hellas region. Beautiful Mars series.

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THEMIS: Hellas Planitia in false color

Posted on February 13, 2017 by rburnham

THEMIS Image of the Day, February 13, 2017. Today’s false color image shows plains in the northern part of Hellas Planitia. The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to … Continue reading →

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THEMIS: Hellas basin’s Ausonia Montes

Posted on August 2, 2016 by rburnham

THEMIS Image of the Day, August 2, 2016. Today’s false color images show part of Ausonia Montes. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. … Continue reading →

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HiRISE: Meandering channel on Hellas’ rim

Posted on July 15, 2016 by rburnham

The central portion of this image features a mildly-winding depression that was carved by water, likely around four billion years ago shortly after the Hellas basin formed following a giant asteroid or comet impact. Water would have flowed from the … Continue reading →

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HiRISE: Bedrock north of Terby Crater

Posted on July 1, 2016 by rburnham

This image samples the excellent bedrock exposures north of Terby Crater, which lies on the northern rim of the giant Hellas basin. An enhanced-color cutout shows a sample of this bedrock, which has a variety of colors and textures. The … Continue reading →

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