Why it’s good news that Pluto doesn’t have rings
New Horizons’ next destination might be ring-free, too, promising a safe passage for the spacecraft
LOOKING BACK New Horizons took this rearview image of Pluto’s hazy atmosphere after flying past the dwarf planet in July 2015. The spacecraft’s team was also looking for rings, but didn’t find any.
Southwest Research Institute/JHUAPL/NASA
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