The Solar System

Our solar system is the Sun and everything that travels around it , eight planets, dozens of moons, thousands of asteroids, billions of comets, and a few dwarf planets including Pluto. The Sun’s gravity holds it all together.

Click any body below to discover it, every page has the simple, standard, and deeper-detail versions all visible, so you can read as much as you want.

Meet the Sun and the planets

EarthOur home — the only known planet with life, liquid water on its surface, and breathable air.
JupiterThe biggest planet in the solar system — a giant ball of gas with a centuries-old storm bigger than Earth itself.
MarsThe "Red Planet" — a cold, dusty desert world that may once have had rivers, lakes, and possibly even life.
MercuryThe smallest planet in the solar system and the closest one to the Sun — a scorched, cratered world with no atmosphere.
NeptuneThe farthest planet from the Sun — a deep-blue ice giant with the fastest winds in the solar system.
SaturnThe ringed planet — a gas giant famous for its spectacular system of icy rings.
The SunThe star at the centre of our solar system — a giant ball of hot glowing gas that gives Earth its light, heat, and life.
UranusAn ice giant tipped on its side — a pale blue-green world with faint rings and 27 moons.
VenusEarth's twin in size but the hottest planet in the solar system — a hellish world wrapped in toxic clouds and crushing pressure.
planet-moon