Learn how many planets there are in the solar system and get their names. See why Pluto isn't considered to be a planet.
Solar System - Wikipedia
How Many Suns Can a Planet Have?
SOLAR SYSTEM, Baamboozle - Baamboozle
How many planets are in the solar system?
How Many Planets… In Our Solar System? With the advent of powerful new telescopes on the ground and in space, recent new discoveries have been made of. - ppt download
Top 10 Facts about The Solar System - Fun Kids - the UK's children's radio station
Solar System - Wikipedia
Schola Solar System
Interesting Facts About The Planets - Universe Today
The solar system