‘Sarah Cruddas is a gifted writer and Look Up is an inspired book. I am hopeful that we will never stop looking up.’ Apollo 11 astronaut Michael CollinsMost of us have never been to space. To date, of the more than 100 billion humans that have ever existed, fewer than 600 humans have ever left Earth. But the exploration of space is the most significant thing we will ever do as a species.Sarah Cruddas has been looking to the skies her entire life. Her childhood was spent stari