Jim Bell at Caltech
Jim Bell at Caltech Planetary Society President Jim Bell delivering a public lecture for the Planetary Society and Caltech's Keck Institute for Space Studies. Bob Paz / Keck Institute for Space Studies

Planetary Society President Jim Bell delivering a public lecture titled "Exploring Mars, the Moon, Asteroids, and Comets with Rovers and Landers."  The presentation was co-sponsored by the Planetary Society and Caltech's Keck Institute for Space Studies.

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