Explore Worlds
Find Life
Defend Earth
Planetary Radio • Apr 23, 2013
Live at the Planetary Defense Conference!
On This Episode
Brent Barbee
Flight Dynamics Engineer for Goddard space Flight Center
Amy Mainzer
Professor in the Lunar and Planetary Lab at the University of Arizona, Principal Investigator for the NEOWISE mission, and leads the NEO Surveyor project
Bill Nye
Chief Executive Officer for The Planetary Society
Cathy Plesko
Applied Physics Research Scientist for Los Alamos National Laboratory
David Trilling
Assistant Professor of Physics and Astronomy for Northern Arizona University
Planetary Radio host Mat Kaplan joined Bill Nye and four passionate planetary explorers on stage at the Planetary Defense Conference in Flagstaff, Arizona.
Related Links
- 2013 Planetary Defense Conference
- VIDEOS: Here's the Complete PDC Public Event
- BLOG: This Week at the Planetary Defense Conference
- BLOG: Saving the World: Shoemaker NEO Grant Winners Announced
- BLOG: Emily Lakdawalla Hosts Mars One Astronaut Selection Announcement
Trivia Contest
This week's prize is Bill Nye the Science Guy's voice on your answering system!
This week's question:
What is the name of the pioneering planetary geologist who did the first detailed geological mapping of Meteor Crater in Arizona? He was also central to the determination that it was caused by an impact, along with lunar and other craters.
To submit your answer:
Complete the contest entry form at http:planetary.org/radiocontest no later than Monday, April 29, at 2pm Pacific Time.
Last week's question:
What is the diameter of Meteor Crater in Arizona?
Answer:
The answer will be revealed next week.
Question from the week before:
What is the reflective coating on the mirrors of the Chandra X-Ray Telescope?
Answer:
The mirrors are coated with Iridium.