Skip to content
Facts on the visible planets
Order from
the sun
Mercury
Venus
Earth
Mars
Uranus
Neptune
Saturn
Jupiter
Jupiter
Venus
It takes 243 Earth days for Venus to rotate just once. That's the longest rotation of all the planets in our solar system.
For scale, the Great Red Spot on Jupiter is roughly the size of Earth.
It's the oldest planet in our solar system, forming 4.5 billion years ago.
It's the hottest planet with an average temperature of 863.6 degrees.
It's the 5th planet from the sun.
It's the 2nd planet to the sun.
Uranus
Mars
It was first discovered in 1781 and named after the Greek god of the sky.
Mars is a cold, desert planet. Its temperatures can range from 70 to -225 degrees.
It's the only planet that rotates on its side, or a 90-degree angle to its orbit.
The planet has two moons.
It's the 4th planet from the sun.
It's the 7th planet from the sun.
Neptune
Saturn
It's the most dense planet, made up of a hot fluid of "icy" materials with a rocky core.
The planet is known for its visible rings. The ring particles can range in size from small dust-sized grains to chunks as large as a house.
The planet has 16 moons.
It's the 8th planet from the sun.
With 146 moons, Saturn is the moon king.
It's the 6th planet from the sun.
NOTE Planets are not to scale.