The Moon – Our Nearest Neighbour In Space
Welcome back!
The Moon is a familiar sight in the sky and it is our nearest neighbour in Space, being only (in astronomical terms) 250,000 miles away.
It is thought that the Moon was probably once part of the Earth, until some cataclysmic event broke it off.
Now the Moon and the Earth rotate about about their common centre of gravity. This point of rotation is actually within the Earth, because the Earth is so much more massive, but it is nearer the surface than the centre. read on..
