Jonathan Lunine is a Cassini mission scientist and Director of the Cornell Center for Astrophysics and Planetary Science at Cornell University in Ithaca, New York.
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34:56
A Farewell To Cassini, Our Friend At Saturn
In 13 years, the orbiter showed us lakes on Titan, geysers on Enceladus, and a new understanding of all things Saturn.
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17:20
Is NASA Ready To Make The Leap To A Manned Mission To Mars?
What technologies, budget, and partners would NASA needed for a successful manned mission to Mars?