The solar system formed from dust grains and eventually built up into planets. On the way to making planets some dust grains only formed up to a small size (compared to a planet) and remain at this size today. These rocks are called asteroids. If it wasn’t for these rocks the planets would not have [...]

Have you ever looked up into the sky and wondered what was going to drop onto your head? When you look up what do you see? Well if I was to do it now I would see a load of black clouds as I live in the rainy UK  which tends to give me a [...]