There are a lot of mysteries on Earth. But there are even more in outer space. Maybe that’s why our friend Nathan W. asked: how long would it take to fly to every planet in our solar system? Well, since those other 7 planets are also circling around the Sun, the distance between them and […]
Have you ever wanted to explore other planets? You’re in luck because it looks like humans may soon be able to travel to Mars. Read on to do the mission to Mars math!