mercredi 13 juin 2018

Shades of Martian Darkness

NASA - Mars Exploration Rover B (MER-B) patch.

June 13, 2018

Science operations for NASA's Opportunity rover have been temporarily suspended as it waits out a dust storm on Mars. This series of images shows simulated views of a darkening Martian sky blotting out the Sun from NASA's Opportunity rover's point of view, with the right side simulating Opportunity's current view in the global dust storm (June 2018). The left starts with a blindingly bright mid-afternoon sky, with the sun appearing bigger because of brightness. The right shows the Sun so obscured by dust it looks like a pinprick. Each frame corresponds to a tau value, or measure of opacity: 1, 3, 5, 7, 9, 11.

NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Mars Exploration Rover Project for NASA's Science Mission Directorate, Washington.

Related article:

Opportunity Hunkers Down During Dust Storm

For more information about Opportunity, visit and

Image, Text, Credits: NASA/Sarah Loff/JPL-Caltech/TAMU.


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