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Planetary Radio

Strange Invader: Steve Ostro Examines Near Earth Asteroid KW4

Airdate: Monday, December 25, 2006
Running Time: 00:28:52
Listen: Windows Media | MP3

Steve Ostro is a radar astronomer at JPL. His modeling of near-Earth binary asteroid KW4 has revealed one of the weirdest objects ever found in our solar system. Emily Lakdawalla is taking pictures during liftoff...from the rocket booster. Bruce Betts and Mat Kaplan sing in the new year and the holiday skies on What's Up and announce a new space trivia contest.

Guests

• Steve Ostro, Radar Astronomer

Related Information

• KW4 Won't Hit Earth For At Least 1,000 Years
• Steve Ostro's Radar Astronomy Site