Our Sun is not the only star with planets: astronomers have already found thousands of planets circling other stars. They are called exoplanets, and some are rocky while others are all gas.
An astronaut among planets of every color — which one do we fly to first?
Color names — just like in kids mode. Tap a color to see it in the kids color encyclopedia.
About speed coloring, records and prizes →
Already colored by 13 artists
