Image: A volcanic eruption on Io, one of Jupiter's moons, can be seen from space. The plume rose 140km high.

“I've always loved airplanes and flight. The space program was really important to me as a kid. I still have a photo of Armstrong and Aldrin on the moon in my living room.” - Bill Nye













Highlights







The Orbit Simulator

(click to launch) The Orbit Simulator(click to launch)





Use the Solar Wind Tunnel to explore how the sun affects magnetic fields, comets, and other orbiting bodies.





The Solar Wind Tunnel

(click to launch) The Solar Wind Tunnel(click to launch) The Orbit Simulator shows the motion of the planets and other objects around the Sun.Use the Solar Wind Tunnel to explore how the sun affects magnetic fields, comets, and other orbiting bodies.

Until Voyager reached the outer solar system we knew very little about the planets that inhabited this region of space. What we have discovered over years of exploration has both excited and mystified us. Come explore the science of the outer planets. Learn what we have already discovered, and discover what we have yet to learn.Looking for something specific? See the site map to find it quickly.