The solar system includes our sun and everything that orbits that sun, like the eight planets we all know. But the main planets are just the beginning… There are comets, moons, asteroids, and other mysterious things that we don’t know of.

If you think you know everything about our solar system, think again! Some crazy facts will blow your mind… Here are 10 facts about the solar system!

1. It would take 100 times longer to travel around the Sun than the Earth!

2. The solar system is about 4.5 billion years old.

3. Saturn’s rings are 90% water. The water in its ring is frozen into ice and creates a massive ice rink.

4. Uranus spins sideways.

5. Mercury is still shrinking. It is the tiniest planet already, but it gets smaller!

6. Neptune is a very hot planet. It is far from the sun, but it radiates far more heat than it is taking in.

7. The Moon’s dust smells like gunpowder.

8. Jupiter’s largest moon has a salty ocean. The ocean contains more water than we have on Earth!

9. Our solar system has 6 dwarf planets. It is Pluto, Makemake, Haumea, Ceres, Eris, and 2015 RR245.

10. The solar system might not end with Pluto. It may be undiscovered still…