|Mercury||Venus||Our Earth||Mars||Jupiter||Saturn||Uranus||Neptune||Pluto and beyond|
Painting by Don Dixon, Cosmographica
The Pale Blue-green Planet
A methane haze hides Uranus and its stormy atmosphere from our view and gives the planet its pastel color.
Collisions That Change Worlds
Collisions shape worlds. In 1994, pieces of Comet Shoemaker-Levy 9 were destroyed as they plunged into Jupiter. The impacts added massive dark spots (left) to Jupiter’s colorful clouds. Long ago, a Mars-size object ran into the newborn Earth, and gouged out enough material to form the Moon. Impacts created scars and craters on nearly every planet, moon, and asteroid.
What Tipped Uranus Over?
Uranus is tipped over on its side and spins backward on its axis. Long ago, a planet-size object probably ran into it, and the impact knocked the planet over.