Tiny bits of Saturn’s rings are falling into the massive planet, causing its upper atmosphere to heat up. The discovery was made using 40 years of data from several @NASASolarSystem missions, including @NASAHubble: go.nasa.gov/3G4ova1
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Hubble Finds Saturn's Rings Heating Its Atmosphere
Saturn's vast ring system is heating the giant planet's upper atmosphere. The phenomenon has never before been seen in the solar system.Andrea Gianopoulos (NASA)