The 8 Planets poster You can print this poster! (see printing instructions in following photo)
Click on the photo to enlarge.
A brown background denotes "terrestrial" planets and asteroids, these have a solid, rocky surface.
A light blue background denotes the "gas" planets, they have a core for gravity to hold in the gases, but no solid surface. Pluto is no longer considered a planet, so it is not included on this chart.