Bodies
6 bodies
-
Neptune
The windiest world in the solar system, found by arithmetic before telescopes.
-
Mercury
The smallest planet: airless, cratered, and swinging 600 degrees between noon and midnight.
-
Mars
The cold desert next door, and the most-visited planet beyond Earth.
-
Uranus
The sideways planet: its axis lies nearly in its orbital plane.
-
Venus
Earth's twin in size only — a runaway greenhouse under acid clouds.
-
Earth
The only world known to host life, and the only one with liquid water at the surface.