The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything from the biggest planets to the smallest bits of debris in its orbit.
Mercury is the closest planet to the Sun, and the smallest planet in our solar system. It's only slightly larger than Earth's Moon.
Venus is the second planet from the Sun and the hottest planet in our solar system.
Earth is the third planet from the Sun and the only astronomical object known to harbor life.
Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System. It’s the only planet we know of inhabited entirely by robots.
Jupiter is the fifth planet from the Sun and the largest in the Solar System. More than twice as massive as the other planets combined.
Saturn is the sixth planet from the Sun and the second-largest in the Solar System.It’s surrounded by beautiful rings.
Uranus is the seventh planet from the Sun and the third-largest in the Solar System. It appears to spin sideways.
Neptune is the eighth and farthest-known Solar planet from the Sun. It’s the fourth-largest, and the first planet discovered with mathematics.