Solar system Our solar system has 8 planet There is only one planet that can support life.

Mercury It is named after a Roman God The planet Mercury is the closest planet to our sun and is the smallest planet in the solar system.

Venus Venus is covered with thick clouds that create a greenhouse effect that makes it very hot.

Earth Earth is the only planet whose English name does not derive from Greek Roman mythology.

Mars is the fourth planet from the sun and the seventh largest planet.

Jupiter Jupiter is the fifth planet from the sun and by far the largest. Jupiter is more than twice as massive as all the other planets combined.

Saturn was first visited by NASA. Saturn has at least 31 moons.

Uranus is the seventh planet from the sun and the third largest.

Neptune is the eighth planet from the Sun and the fourth largest.

Pluto Pluto orbits beyond the orbit of Neptune. It is much smaller than any of the official planets and now classified as a "dwarf planet". Pluto is smaller than seven of the solar system's moons.

The sun is by far the largest object in the solar system. The sun is personified in many mythologies: the Greeks called it Helios and the Romans called it Sol.

Asteroid belt Asteroids are small, airless rocky worlds revolving around the sun that are too small to be called planets. They are also known as planetoids or minor planets. In total, the mass of all the asteroids is less than that of Earth's moon.