Source: HiRISE
Image Credit: NASA/JPL/University of Arizona
They look like pockmarks caused by shrapnel from a huge explosion. Actually they are surface features on Mars as seen by the High Resolution Imaging Science Experiment (HiRISE) on board the Mars Reconnaissance Orbiter (MRO). But what are they? They're not potholes formed by geological processes, they're not openings to ancient lava tubes, they are impact craters in Chryse Planitia, near the outlet of one of Mars’ giant outflow channels. (read more)
Image Credit: NASA/JPL/University of Arizona
They look like pockmarks caused by shrapnel from a huge explosion. Actually they are surface features on Mars as seen by the High Resolution Imaging Science Experiment (HiRISE) on board the Mars Reconnaissance Orbiter (MRO). But what are they? They're not potholes formed by geological processes, they're not openings to ancient lava tubes, they are impact craters in Chryse Planitia, near the outlet of one of Mars’ giant outflow channels. (read more)
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