For thousand of years we thought the Earth was the centre of everything. Then science came along and told us a different story.

 

In cosmic terms the human being is probably no bigger than a quark. Yet his brain (the size of a cantaloup melon and wrinkled like a walnut) is the most complex object in the known Universe. As Stephan Hawking said, 'We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe and that make us something special.'

There's scale and there's scale - and even our wondrous grey matter is mind-boggled trying to wrap itself round this!

 

 

 

 

And lastly, here's a Hubble telescope ultra deep field of countless galaxies billions of light-years away.