In Pictures: Book featuring aerial Earth images by Tim Peake

British astronaut Tim Peake recently published 'Hello, is this planet Earth?', a book documenting his six-month stint aboard the International Space Station. It contains over 150 photographs of locations around the globe, clicked from a height of 400 km. Th images include snapshots of London and Dubai at night, auroras over UK and Canada, and pyramids in Egypt's El Giza.