The Kennedy Center: Planets in Balance
The Kennedy Center

Explore the solar system through the creation of a Calder-type mobile

DK Find Out! Stars and Galaxies

Way beyond our solar system there are billions and billions of stars. 

OLogy: A Kid's Guide to Stargazing
OLogy (American Museum of Natural History)

How many constellations and planets can you find in the night sky? Record your sightings in a “stellar” journal.