The Solar System
Explore planets, stars, gravity, and the wonders of space!
๐ Live Solar System Animation
Click a planet to explore!
๐ฑ๏ธ Click any planet to discover facts about it!
Watch the planets orbit the Sun in real time! (Speeds are not to scale.)
๐ Lessons
The Sun
The Planets
The Moon
Gravity in Space
Galaxies
Black Holes
Space Exploration
๐ญ Planet Explorer
Mercury
๐ 4,879 km diameter
๐ก 57.9 million km
โฐ 59 Earth days
๐ 0 moons
โจ Mercury is the smallest planet and closest to the Sun!
Venus
๐ 12,104 km diameter
๐ก 108.2 million km
โฐ 243 Earth days
๐ 0 moons
โจ Venus is the hottest planet โ hotter than Mercury!
Earth
๐ 12,742 km diameter
๐ก 149.6 million km
โฐ 24 hours
๐ 1 moon
โจ Earth is the only planet known to have life!
Mars
๐ 6,779 km diameter
๐ก 227.9 million km
โฐ 24.6 hours
๐ 2 moons
โจ Mars has the tallest volcano in the Solar System โ Olympus Mons!
Jupiter
๐ 139,820 km diameter
๐ก 778.5 million km
โฐ 9.9 hours
๐ 95 moons
โจ Jupiter's Great Red Spot is a storm bigger than Earth!
Saturn
๐ 116,460 km diameter
๐ก 1.43 billion km
โฐ 10.7 hours
๐ 146 moons
โจ Saturn's rings are made of ice and rock. They stretch 282,000 km!
Uranus
๐ 50,724 km diameter
๐ก 2.87 billion km
โฐ 17.2 hours
๐ 28 moons
โจ Uranus rotates on its side โ it's tipped over 98 degrees!
Neptune
๐ 49,244 km diameter
๐ก 4.5 billion km
โฐ 16.1 hours
๐ 16 moons
โจ Neptune has the strongest winds of any planet โ up to 2,100 km/h!