How scientists are piecing together the history of the moon
Monday, February 25, 2019 - 12:20
in Astronomy & Space
In the solar system’s early days, a first Earth is thought to have been pulverised by a planet that scientists call Theia. We don’t know what it was made of or where it came from, only that it may have been the size of Mars. The powerful collision destroyed both planets so completely that scientists […]