The rock isn’t actually a fruit, but it was a fascinating target for the rover’s cameras thanks to its eye-catching shape.
The Seti Institute estimated the rock is up to 8 inches long. “What a nice example of differential erosion in this split Martian rock at Jezero crater. Now, that's sedimentology and erosion in action,” the institute tweeted, jokingly calling it “a fossilized Martian giant avocado.” Differential erosion happens when rocks erode at different rates. In the case of the Martian avocado, that means the round piece inside the bowl is more resistant to erosion than the surrounding rock.
Perseverance has been investigating an ancient riverbed in the Jezero Crater. Mars might be dry and dusty now, but it was . A wider view from the same day shows a landscape littered with rocks and sand. There are plenty more fancifully shaped rocks to see.... [+]Mars is a pareidolia paradise. Pareidolia is the human phenomenon of seeing familiar objects in random shapes.in August that looked like a shark fin and a crab claw. While these rocks are reminiscent of Earth objects, that’s all they are.
The Perseverance rover is constantly sending back postcards from Mars in the form of raw images as it cruises through the Jezero crater. The rover is a sophisticated rolling laboratory. One of its key missions is to help us understand if Mars ever hosted microbial life. To that end, it’s collecting rock samples that NASA hopes to fetch with its futuremission.
The avocado rock is one small piece of Mars’ story. It tells a tale of erosion and resistant rocks and how fantastical shapes can form in the Martian environment. But if there’s ever to be guacamole on Mars, we’re going to need future astronauts to take it there.
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