Planetary Radio Live at Planetfest 2012!

PlanRad Live welcomes former NASA Mars Czar Scott Hubbard, space historian and writer Andrew Chaikin and Bill Nye the Science Guy to a live conversation at Planetfest 2012, just a few hours before the triumphant landing of Curiosity on Mars. Host Mat Kaplan is also joined by Emily Lakdawalla, Bruce Betts and award-winning barbershop quartet Hi-Fidelity. We thank all the generous sponsors who helped make Planetfest 2012 such a terrific success!

Related Links

• Space Historian Andrew Chaikin
• Former NASA Mars Czar Scott Hubbard
• Hi-Fidelity Quartet
• The Three Ages of Mars

Trivia Contest

This week's prize is an engraved Fisher Space Pen.

This week's question:
How many kilograms of plutonium dioxide are carried by the Curiosity rover?

To submit your answer:
Send an email no later than Monday, August 20, at 2 pm Pacific time to [email protected] containing:

Last week's question:
What was the unofficial NASA name for the mountain in the middle of Gale crater?  (Bruce Betts had him as a professor.)

Answer:
The answer will be revealed next week.

Question from the week before:
Was there a contest two weeks ago?

Answer:
No, there was no contest two weeks ago.