From Earth we have looked deep into the universe, embarking on a journey of discovery that has revealed the cosmos to be richer than we could ever imagine. But what happens when we reverse the process, when we look back on Earth from the heavens? We see a familiar planet from a new perspective. We are presented with an atlas of an invisible Earth - an Earth that lives and breathes around us but one which, paradoxically, we are too close to see. With...