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NASA's Perseverance Rover has left Mount Washburn behind and arrived at its next destination, Bright Angel.
On Sol 1175 of its mission, Perseverance arrived at Bright Angel, a scientifically interesting region that's part of the river channel that fed into Jezero Crater. As Perseverance worked its way toward Bright Angel, mission personnel could see the light rocks in the distance. But the route to the new destination wasn't easy. The rover encountered a boulder field that proved so arduous that operators changed course.
Perseverance has two modes of travel. In rougher terrain, the route planning team uses images to plan the rover's route about 30 meters at a time. To travel further than that in a single sol, the team relies on Perseverance's autopilot mode, called AutoNav. "Perseverance also needed an entrance ramp we could safely travel down. When the imagery showed both, we made a beeline for it."
Perseverance is nearing the end of its fourth science phase. It's been searching for carbonate rocks and olivine in the Margin Unit, which is along the inside of Jezero Crater's rim. But at Bright Angel, it hoped to find different rocks.According to a NASA press release, geologists were mesmerized by what they saw. Some of the rocks are densely packed with spheres, which earned them the name 'popcorn rocks.
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