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Fire and Ice With Volcanologist Rosaly Lopes

Io, with Pillan erupting, as seen by Galileo in 1997, processed by Jason Perry

Air Date: 07/16/2012
Run Time: 45:56

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Guests:

  • Rosaly Lopes, Planetary Scientist and Leading Volcanologist, Jet Propulsion Laboratory

Topics: Venus, interview, Earth, Mars, Jupiter's moons, Io, Enceladus, Titan, geology, ice worlds, Galileo, Cassini, Voyager 1 and 2

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JPL volcanologist Rosaly Lopes has discovered more volcanos than anyone else, including 71 on Jupiter’s moon Io.  She is fascinated by these fiery (and sometimes frigid) features of our dynamic solar system, and shared her love of them at the recent SETIcon. Emily Lakdawalla talks about a newly-discovered moon of Pluto, while Bill Nye celebrates more humans on the ISS. Bruce and Mat welcome a celebrity Random Space Fact provider on What's Up.

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Trivia Contest

This week's prize is an engraved Fisher Space Pen!

This week's question:
Who comprises International Space Station Expedition 32? (Six people.)

To submit your answer:
Send an email no later than Monday, July 23, at 2 pm Pacific time to planetaryradio@planetary.org containing:

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Last week's question:
Where in the solar system is crater Nyele?

Answer:
Coming soon in next week's show!

Question from the week before:

Approximately how many times has the Sun gone around the galactic center since our home star started nuclear fusion?

Answer:
About 20 times, give or take.

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