European Space Agency Flickr Update

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Perspective view across a crater in Erythraeum Chaos
08-06-2017 03:39 PM CEST

europeanspaceagency posted a photo:

Perspective view across a crater in Erythraeum Chaos

This 70 km-wide crater shows interesting internal features, including a smaller crater (foreground), exposed light-toned deposits (foreground/centre), and chaotic terrain (background), as well as slumped crater walls.

The oblique perspective view was generated using data from the Mars Express high-resolution stereo camera stereo channels. This scene is part of the region imaged on 13 March 2007 and 22 February 2017 during orbits 4090 and 16648. The image mosaic is centred on 346°E/23°S, with a ground resolution of 15–17 m/pixel.

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Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Margaritifer Terra and Erythraeum Chaos
08-06-2017 03:39 PM CEST

europeanspaceagency posted a photo:

Margaritifer Terra and Erythraeum Chaos

Colour view across the Margaritifer Terra region in the southern hemisphere of Mars, which incorporates a portion of Erythraeum Chaos to the north (right).

The image mosaic is composed of Mars Express High Resolution Stereo Camera images from orbit 16648 (22 February 2017), with a ground resolution of 15 m per pixel, and orbit 4090 (13 March 2007), with a ground resolution of 17 m per pixel. The images are centred on 346°E/23°S.

The color image was created using data from the nadir channel, the field of view which is aligned perpendicular to the surface of Mars, and the HRSC colour channels.

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Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Erythraeum Chaos and surrounds topography
08-06-2017 03:39 PM CEST

europeanspaceagency posted a photo:

Erythraeum Chaos and surrounds topography

The colour-coded topographic view shows relative heights and depths of terrain in the Margaritifer Terra/Erythraeum Chaos region. As indicated in the key at top right, whites and reds represent the highest terrain, while blue/purple is the lowest.

The color-coded topographic view is based on a digital terrain model of the region, from which the topography of the landscape can be derived.

The region was imaged on 13 March 2007 and 22 February 2017 during orbits 4090 and 16648. The image mosaic is centred on 346°E/23°S, with a ground resolution of 15–17 m/pixel.

More information

Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Erythraeum Chaos and surrounds in 3D
08-06-2017 03:39 PM CEST

europeanspaceagency posted a photo:

Erythraeum Chaos and surrounds in 3D

This anaglyph provides a 3D view of a large crater, Erythraeum Chaos and surrounding landscape when viewed using red–green or red–blue glasses. It was derived from data acquired by the nadir channel and one stereo channel.

This scene is part of the region imaged on 13 March 2007 and 22 February 2017 during orbits 4090 and 16648. The image mosaic is centred on 346°E/23°S, with a ground resolution of 15–17 m/pixel.

More information

Credit: ESA/DLR/FU Berlin, CC BY-SA 3.0 IGO

Erythraeum Chaos in context
08-06-2017 03:39 PM CEST

europeanspaceagency posted a photo:

Erythraeum Chaos in context

This context image shows the location of the Erythraeum Chaos region described in the associated image release in the southern hemisphere of Mars.

The region outlined by the left-hand white box indicates the area imaged during Mars Express orbit 4090 on 13 March 2007; the right hand box shows the region imaged during orbit 16648 on 22 February 2017. The small box in the centre highlights the focus of the associated image release. In this context image, north is up.

Credit: NASA MGS MOLA Science Team

Rover test in darkness
08-06-2017 08:34 AM CEST

europeanspaceagency posted a photo:

Rover test in darkness

ESA’s Rover Autonomy Testbed rover is being run in near darkness by Spain’s GMV company to simulate the low Sun angles experienced at the Moon’s poles.

Permanently shadowed craters around the lunar north and south poles are tempting targets for future robotic missions, seeking water ice and other volatiles believed to be deep frozen in the soil.

Laboratory testing took place as part of ESA’s Lunar Scenario Concept Validation and Demonstration (Lucid) project. Now, as a next step, this and a second rover – ESA’s Heavy Duty Planetary Rover – have travelled to Tenerife in the Canary Islands for day and night testing in the volcanic, Moon-like environment of Teide National Park.

The two rovers carry navigation aids to work in both light and dark, including stereo cameras, lights, GPS, laser rangers and radar-like lidar. They can build digital 3D maps from these various sensors for both autonomous and teleoperated steering.

To follow the progress of the Lucid testing in Tenerife, follow the Twitter hashtag #DarkRover.

Credit: GMV

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