Voyager Journeys to Interstellar Space: Edward C. Stone

Series: Earnest C. Watson Lecture Series

Presented By: Caltech Committee on Institute Programs

Over 25 years ago, two Voyager spacecraft were launched to explore Jupiter, Saturn, Uranus, Neptune, and beyond. They revealed dozens of distinctive worlds, with jet streams and giant storms in the planets' atmospheres, volcanoes on the moon Io, a deep atmosphere with organic raindrops on Titan, a frozen nitrogen polar cap on Triton, and rings that appear to be debris from shattered moons. The two Voyagers continue their journeys as the first interstellar probes, searching for the outer boundary of the heliospheric bubble surrounding the Sun that marks the beginning of interstellar space.

Edward Stone is the David Morrissroe Professor of Physics and Provost for Special Projects at Caltech. He was the Director of the Jet Propulsion Laboratory (JPL) from 1991 to 2001.

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