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Cassini's Anti-Climatic Saturn Dive

By Editor 04 May 2017

Enlarge Image The Cassini spacecraft isn't going quietly into that good night. The mission's final days involve the probe taking 22 daring dives between Saturn and its rings. On Monday, NASA reported a surprising discovery from that dive's data: it's really empty between the planet and the rings. NASA says its scientists are "puzzled" that the area is pretty much free from dust. Researchers converted data from one of Cassini's instruments into audio in order to listen for sounds of dust particles hitting the spacecraft, but heard very little evidence of impacts.