Planetary Radio • Feb 11, 2013

2012 DA14--Coming Soon to a Planet Near You!

On This Episode

20131231 amy mainzer

Amy Mainzer

NEOWISE and NEOCam Principal Investigator for Jet Propulsion Laboratory

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Timothy Spahr

NEO Sciences LLP CEO and Shoemaker NEO Selection Committee Chair

20180710 Lindleyat Helm

Lindley Johnson

Planetary Defense Officer for NASA

Edward Beshore

OSIRIS REx Deputy Principal Investigator for University of Arizona, Tucson

The 45-meter Near Earth Asteroid flies by on February 15. In a recent media briefing, NASA assembled asteroid experts to discuss it and others of its threatening kind.  Bill Nye adds his comments about the big space rock, while Bruce Betts provides 2012 DA14 Random Space Facts. Emily Lakdawalla is looking down on Earth through Landsat, and back at the Galileo mission to Jupiter.NOTE THE LINK TO THE NEW WHAT'S UP! CONTEST ENTRY FORM BELOW.

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Trivia Contest

This week's prize is a Planetary Radio T-Shirt!

This week's question:
Hey, listeners! According to La Sagra Observatory's Jaime Nomen, where was the discoverer of 2012 DA14 when the discovery was made?

To submit your answer:
Complete the contest entry form at http:planetary.org/radiocontest no later than Monday, February 18, at 2pm Pacific Time.

Last week's question:
In Earth years, how long is a Sedna year?

Answer:
The answer will be revealed next week.

Question from the week before:
What is the largest known Near Earth Asteroid?  (Defined as those that come within 1.3 AU of the Sun.)

Answer:
Asteroid 1036 Ganymed is 32 kilometers in diameter.