Planetary Radio • Apr 01, 2013

Saturn Update From Cassini Project Scientist Linda Spilker

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Linda Spilker

Voyager Mission Project Scientist at NASA's Jet Propulsion Laboratory

We pay another visit to the queen of planets with Cassini Mission Project Scientist Linda Spilker. She always brings us fascinating news from Saturn, its moons and rings.  Emily Lakdawalla says John Carter really is on Mars…sort of.  Bill Nye celebrates some good news for planetary science in the form of Plutonium, and Bruce Betts provides another guided tour of the current night sky.  Another listener will win Bill Nye’s voice on his or her answering system!

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Trivia Contest

This week's prize is Bill Nye the Science Guy's voice on your answering system!

This week's question:
Where in the solar system is Ontario Lacus?

To submit your answer:
Complete the contest entry form at no later than Monday, April 8, at 2pm Pacific Time.

Last week's question:
What is the term for where the solar wind slows down from supersonic to subsonic?

The answer will be revealed next week.

Question from the week before:
What surface feature on Venus is taken as defining the prime meridian? (Longitude 0 degrees)

The central peak in the crater Ariadne.