More From Planetfest With Andrew Chaikin and Scott Hubbard

Our Planetary Radio Live celebration of Mars rover Curiosity at Planetfest continues with more from space historian Andrew Chaikin, former NASA Mars czar Scott Hubbard and Planetary Society CEO Bill Nye the Science Guy.  Emily breaks the news about NASA’s choice for a Discovery mission, and Bruce Betts joins Mat Kaplan for a What’s Up look at the night sky and a new space trivia contest.

Related Links

• Space Historian Andrew Chaikin
• Former NASA Mars Czar Scott Hubbard
• Curiosity Mars Science Laboratory Rover
• InSight Discovery Mission to Mars
• Hi-Fidelity Quartet

Trivia Contest

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

This week's question:
How long is the reach of the MSL Curiosity arm, measuring from the front of the rover body?

To submit your answer:
Send an email no later than Monday, August 27, at 2 pm Pacific time to [email protected] containing:

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

Answer:
The answer will be revealed next week.

Question from the week before:
What has been the unofficial NASA name for the mountain in the middle of Gale Crater on Mars?

Answer:
Mount Sharp, named after CalTech geologist Dr. Robert Sharp