Earth
Ocean world · our home
Width
Gravity
One rotation
One trip around Sun
Free ExploreChoose any constellation or rest on a star to learn its name.
No rush
Seen from much of Earth
Orion
The Hunter
Orion is easy to recognize from its three-star belt. Betelgeuse is a red supergiant, while blue-white Rigel is usually brighter. The Orion Nebula sits below the belt in the sword.
This is a guided learning atlas, not a live sky forecast. Pattern stars use published celestial positions; tiny background stars are decorative.
Solar System Lab
Choose a world because it looks interesting. Follow storms, rings, rocky ground, or the search for life—or simply wander in order from the Sun.
REAL ORDER + REAL SIZE DATA
Orbit spacing is compressed to fit this screen.
Orbit spacing is compressed to fit this screen.
What are you curious about?
Start anywhere, or move outward from Mercury to Neptune. There is no correct route.
REAL SPACECRAFT IMAGE![]()
Planet order, diameters, rotation and orbit times use published NASA values. Images are real spacecraft observations; distances are not shown to scale.