Video Archive

  • Sounds of Saturn: Evidence of Communication between Saturn, Its Rings and Enceladus via Plasma Waves

    NASA’s Cassini spacecraft’s high-inclination Grand Finale orbits offered an unprecedented new view of Saturn and its environment. New research from the Grand Finale phase shows a powerful and dynamic interaction of plasma waves moving from the gas giant to its rings and its sixth-largest moon, Enceladus.

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  • Charon at 40: Four Decades of Discovery on Pluto’s Largest Moon

    The largest of Pluto’s five moons, Charon, was discovered 40 years ago today by James Christy and Robert Harrington at the U.S. Naval Observatory in Flagstaff, Arizona – only about six miles from where Pluto itself was discovered at Lowell Observatory. They weren’t even looking for satellites of Pluto – Christy was trying to refine Pluto’s orbit around the Sun.

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