Back to Saturn for Brand New Cassini Science

Our most frequent guest returns with exciting, just-published research enabled by the 20-year mission’s enormous success. Linda Spilker has served as Cassini Project Scientist for 8 years, and was Deputy Project Scientist for the previous 13. You’ll also get the chance to win Bruce Betts’ great new intro to astronomy book in this week’s space trivia contest.

• Groundbreaking Science Emerges from Ultra-Close Orbits of Saturn
• 10 Ways Cassini Mattered
• And the Emmy goes to: Cassini's Grand Finale
• Linda Spilker
• Bruce Betts’ Astronomy for Kids: How to Explore Outer Space with Binoculars, a Telescope or Just Your Eyes!

This Week’s Prizes:
A trendy Planetary Radio t-shirt from the Planetary Society Chop Shop store, a 200-point iTelescope.net astronomy account, and a signed copy of Bruce Betts’ new book, Astronomy for Kids.

This week's question:

On a typical pair of binoculars, what do the two numbers mean?

To submit your answer:

Complete the contest entry form at http://planetary.org/radiocontest or write to us at [email protected] no later than Wednesday, October 24th at 8am Pacific Time. Be sure to include your name and mailing address.

Last week's question:

What rocket launched the Apollo 7 crew 50 years ago?

Answer:

The answer will be revealed next week.

Question from the October 3 space trivia contest question:

There was no new trivia contest question in our October 3 episode, so there’s no answer this week.