Broadcast: Midmorning, 01/30/2009, 9:06 a.m.
Broadcast: Midmorning, 02/27/2009, 9:06 a.m.
A renowned astrophysicist explains the allure of Pluto, and the public outrage over its recent demotion from planet status.
- Neil deGrasse Tyson: Director of the Hayden Planetarium and has served on NASA's advisory council. His new book is "The Pluto Files: The Rise and Fall of America's Favorite Planet."
More from MPR
- Black holes, killer asteroids and why Pluto wasn't a planet
March 16, 2007
- Pluto's demotion
August 25, 2006
- Solar system may grow to 12 planets
August 16, 2006