Meteors, meteorites, comets, asteroids… there are so many names for the various space rocks out there ... Pallasites are also the most mysterious type of meteorite, since even today, nobody ...

There are lots of types of rock and each type has different properties and uses. For example, some are strong and hard but others are soft and sandy. Some rocks are harder than others. For example ...

The chemistry of the rock layers reveals remnants of the meteor itself, which was a primitive type of space rock called a ...