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Planetary RadioJune 9, 2015

Cassini Update AND LightSail Spreads its Wings!

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Special Guests
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Linda Spilker

Cassini Project Scientist, Jet Propulsion Laboratory

Our most frequent guest, Cassini Project Scientist Linda Spilker, returns with another update on the magnificent mission at Saturn, including evidence for hydrothermal vents in the oceans of Enceladus! You’ll also hear Bill Nye and the moment when LightSail began to deploy its solar sail. Bruce Betts drops by with many more reasons to watch and wonder in What’s Up.

Modeling the geysers of Enceladus

NASA / JPL-Caltech / Space Science Institute

Modeling the geysers of Enceladus
This collage of Cassini spacecraft images and computer simulations shows how long, sinuous features from Enceladus can be modeled by tracing the trajectories of tiny, icy grains ejected from the moon's south polar geysers.

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Trivia Contest

Too bad there’s no contest this week. We were going to give away a new car.

This week's question:

THE CONTEST WILL RETURN IN TWO WEEKS.

Last week's question:

Soviet Alexei Leonov performed the first spacewalk (extravehicular activity). Out of all spacewalks, what number, in chronological order, was the next Soviet spacewalk?

Answer:

The answer will be revealed next week.

Question from the week before:

How many Atlas 5 launches took place in 2014?

Answer:

There were nine launches of Atlas 5 rockets in 2014.

Listen more: Enceladus, Cassini, Planetary Society Projects, mission status, Planetary Radio, LightSail, Saturn's moons, Planetary Society, Bill Nye

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