Planetary Radio • Feb 04, 2013

An Imminent Asteroid Encounter

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Spain’s La Sagra Observatory discovered Asteroid 2012 DA14 just a year ago. Now it’s nearing Earth once again.  Jaime Nomen of La Sagra is back to prepare us for this very close flyby. Emily Lakdawalla is touched by a tribute to fallen astronauts on Mars.  Bill Nye presents more evidence that the time has come for commercial space development. Bruce Betts and Mat Kaplan think there's a bowl over our heads that is pretty super. They also present the chance to win a Planetary Society hoodie.  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 Society hoodie!  (Large size only)

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

To submit your answer:
Complete the contest entry form at no later than Monday, February 11, at 2pm Pacific Time.

Last week's question:
What is the largest known Near Earth Asteroid?  (Defined as those that come within 1.3 AU of the Sun.)

The answer will be revealed next week.

Question from the week before:
Who was the test pilot that flew the most flights in the X15?

Robert A. Rushworth flew 34 X15 flights, one of which was beyond the threshold of space.