Planetary Radio • Dec 29, 2003
Columbia's Aftermath: "Butterfly on a Bullet"
Special guest Robert Lee Hotz talks about his remarkable six-part series just published in the Los Angeles Times. In it, he traces the Columbia investigation, revealing what has been learned as we meet some of the people who uncovered the facts. Bruce Betts is skywatching again on What's Up!, and Emily Lakdawalla is testing the solar system speed limits.