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Latest from HiRISE: Stairs, Polygons, Dunes and Troughs - Universe Today
[/caption] Meridiani Planum on Mars, where the Mars Rover Opportunity has been traversing the past four plus years, is not just covered with flat, endless plains. Of course, Opportunity has been entering and studying a few of the craters in the region. Here’s a crater in Meridiani that’s a whopper. This image from the HiRISE … Continue reading "Latest from HiRISE: Stairs, Polygons, Dunes and Troughs"