A crater is simple, right? Well, not really, they are not just holes in the ground (well they are really but they do differ depending on the size of the crater). Once we have become experts on the different types of craters and why they are classified differently then I’ll go through the different ways [...]

This sounds a bit like a no-brainer really; the asteroid or comet crosses the path of Earth and hits the Earth’s surface causing an impact crater. That’s it isn’t it? No, nothing in life is quite as simple as that and the way impactors (asteroids, comets, space stations or astronauts) hit the Earth is quite [...]