Celebrating Carl Sagan With Lou Friedman, Lynda Obst, Kip Thorne and More

November 9 was Planetary Society founder Carl Sagan's birthday, so we gathered a few of his close friends and several young scientists he inspired in front of a live audience. They also helped us celebrate Planetary Radio's 10th anniversary! You’ll hear Bill Nye the Science Guy, renowned physicist Kip Thorne, “Contact” producer Lynda Obst, Planetary Society co-founder Lou Friedman, NExScI Executive Director Chas Beichman and many more.

Related Links

• Complete Carl Sagan Celebration, now in exciting PseudoVideo!
• The first ever Sagan Slam
• Lynda Obst Productions
• NExScI
• The founders of the Planetary Society

Trivia Contest

This week's prize is a beautiful and informative 2013 Year In Space wall calendar.

This week's question:
What was the first and only radio station to broadcast the first episode of Planetary Radio?

To submit your answer:
Send an email no later than Monday, November 19, at 2 pm Pacific time to [email protected] containing:

Last week's question:

This week's question:
What was the last space mission that launched exactly two people?

Answer:
The answer will be revealed next week.

Question from the week before:
What is the orbital period of Ceres?

Answer:
Approximately 4.6 Earth years, or exactly one Cerean year