NASA
Jet Propulsion Laboratory
California Institute of Technology
Mission
Lyman Spitzer Jr.
Mission Overview
Technology
History
Science
Science
Solar System
Planet Formation
Exoplanets
Stars and Nebulae
Galaxies
Universe
Spitzer Data Archive
Images
Video & Audio
Hidden Universe
IRrelevant Astronomy
Ask an Astronomer
Science Animations
Observatory Animations
NASA JPL Videos
El Universo Escondido
Audio Podcasts
News
Media Information
From Partners
News Releases
All
Explore
Spitzer Team Blog
GLIMPSE 360
TRAPPIST-1
Spitzer Final Voyage
Posters
Models
Video Conference Backgrounds
Spitzer Apps
Spitzer VR
All Showcases
"Why isn't Pluto a planet anymore?" (Ask an Astronomer)
Ask an Astronomer Video • February 12th, 2007 • ask2006-003
Dr. Robert Hurt explains why Pluto got... well... plutoed.
Download
2006-003_podcast.m4v