Planetary Radio • Oct 17, 2018
Back to Saturn for Brand New Cassini Science
On This Episode
![20170920 linda spilker thumbnail](https://planetary.s3.amazonaws.com/web/assets/pictures/_576x576_crop_center-center_60_line/20170920_linda-spilker-thumbnail.jpg)
Linda Spilker
Voyager Mission Project Scientist at NASA's Jet Propulsion Laboratory
![Bruce betts portrait hq library](https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x1200_crop_center-center_82_line/bruce-betts-portrait-hq-library.jpg)
Bruce Betts
Chief Scientist / LightSail Program Manager for The Planetary Society
![Kaplan mat headshot 0114a print](https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x1200_crop_center-center_82_line/kaplan-mat_headshot_0114a_print.jpg)
Mat Kaplan
Senior Communications Adviser and former Host of Planetary Radio for The Planetary Society
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.
![Cassini makes the plunge](https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x675_crop_center-center_82_line/20170417_cassini-grand-finale.jpg 1200w, https://planetary.s3.amazonaws.com/web/assets/pictures/_768x432_crop_center-center_60_line/20170417_cassini-grand-finale.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x324_crop_center-center_60_line/20170417_cassini-grand-finale.jpg 576w)
!["The Day the Earth Smiled"](https://planetary.s3.amazonaws.com/web/assets/pictures/_768x877_crop_center-center_60_line/20130722_PIA17171.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x658_crop_center-center_60_line/20130722_PIA17171.jpg 576w)
- 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.