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Cassini’s Final Mission: Solve the Mysteries of Saturn’s Rings

9 September 2017 12:00 PM
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Researchers hope the NASA probe’s measurements will help reveal the rings’ mass, a clue to their age

After 20 years in space, a vintage probe called Cassini is entering its last waltz with Saturn with a series of rhythmic maneuvers to explore one of the most dazzling planetary features in the cosmos—Saturn’s vast icy rings.

The NASA spacecraft has been swooping back and forth at 77,000 miles an hour through the narrow gap between Saturn’s rings and the planet’s cloudy surface before making a suicide plunge into Saturn’s atmosphere...

Source: wsj.com

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