Lava Against an Impact Crater in Elysium Planitia
NASA/JPL/University of Arizona
Lava Against an Impact Crater in Elysium Planitia
ESP_018537_1860  Science Theme: Volcanic Processes
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This image shows lava crumpled against the upstream side of an impact crater. In places where we see smaller ridges in the lava, they have steep faces that retain less dust and look rocky. Because of the lesser amount of dust, we might be able to see better details of the topography.

The crater itself is extremely old, having long been filled in with dust and its rim severely eroded. Note also the flat surrounding terrain.

Written by: HIRISE Science Team (audio by Tre Gibbs)   (21 August 2013)

This is a stereo pair with ESP_019170_1860.

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Acquisition date:10 July 2010 Local Mars time:15:21
Latitude (centered):5.980° Longitude (East):150.739°
Range to target site:276.0 km (172.5 miles)Original image scale range:27.6 cm/pixel (with 1 x 1 binning) so objects ~83 cm across are resolved
Map projected scale:25 cm/pixel and North is upMap projection:Equirectangular
Emission angle:5.9° Phase angle:56.2°
Solar incidence angle:51°, with the Sun about 39° above the horizon Solar longitude:116.5°, Northern Summer

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