9319a59e__Begins__Educational_Resources__Type
[Link] Census of the Solar System [Description] When I grew up, there were nine planets, a couple of dozen moons, a hundred comets, and six thousand asteroids. But that was thirty years ago, and things have changed. This podcast combines a look at how many of what objects is/are out there, with some historical digressions on the definitions of the objects involved. [Type] 
Podcast
D o w n l o a d a b l e P r o d u c t
I m a g e s
P o d c a s t
V i d e o
N e t w o r k
Year of the Solar System: Topics: The Journey Begins: Educational Resources
Type