Caption Spotlight (4 April 2019): A Crater on the South Polar…

Caption Spotlight (4 April 2019): A Crater on the South Polar Layered Deposits

This image is part of a campaign to image potential impact craters in the south polar layered deposits (ice cap). This feature looks like a strong candidate for an impact crater because it is very circular are still has a raised rim.  

The sizes and densities of impact craters provide an estimate for the age of the landscape, which in turn provides a minimum age for the icy layers.

NASA/JPL/University of Arizona