For example, Jupiter is the most massive planet in our solar system. It’s so big, it could swallow 1,000 Earths. So it requires a very high escape speed: 133,100 mph (about 214,000 kilometers per hour ...

Most kids act like space cadets at some point, but some have caught the space craze. After all, kids love stories about space ...

Having ended, let’s return to the start. I started this blog—Not Exactly Rocket Science—in August 2006, on little more than a whim. It was my first proper foray into science writing.