Carnival of Space #520 – Urban Astronomer

The Urban Astronomer hosts the latest Carnival of Space.

This June 2017 view from the Pancam on NASA’s Opportunity Mars rover shows the area just above “Perseverance Valley” on a large crater’s rim. A broad notch in the crest of the rim, at right, might have been a spillway for a fluid that carved the valley, out of sight on the other side of the rim. [Full image and caption]

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