Fact and Fiction Files

 

It is a changing world.

 

A girls’ best friend – there is a planet, 55 Cancrie, which is about twice the size of Earth which is mostly made from diamond – it is, however, some 540 light years away.

You spin me round [ the Earth’s rotation is actually slowing down, meaning that the length of the day is increasing by around 1.8 seconds per century. 600 million years ago a day was only 21 hours long.

 

Over the moon – The distance between the Earth and the moon  is increasing by about 3cm a year.