The ‘Visable Universe’ (the parts of the universe from where light has already reached us ) is estimated to be 78 billion light years across (a ‘light year’ being the distance light can travel in one year!)

There are about 120 billion galaxies. One of them, our Milkyway, has an estimated 200 billion stars. We inhabit a small green planet, The Earth, one of eight to orbit one of these stars (a particularly unremarkable, small star), our Sun!

Get’s you thinking doesn’t it?!