This collection of beautiful images of space taken by photographers from all over the world comprises images from the first four years of the Astronomy Photographer of the Year competition which is organized by the Royal Observatory Greenwich in association with Sky at Night Magazine & powered by the photo-sharing website Flickr. From giant storm systems in Jupiter's atmosphere to the colourful wispy remnants of a supernova explosion & the dazzling green curtain of the Northern Lights the competition brings together some of the last four years' best space imagery of astronomical objects from within our solar system & far into deep space by astrophotographers from around the world. All winning runner-up & highly commended entries from all four years of the Astronomy Photographer of the Year competition are included as well as all shortlisted images from the 2012 competition. The images are submitted in one of the following categories: * Earth & Space * Our Solar System * Deep Space * Young Astronomy Photographer of the Year & can also be entered for one of the special prizes: * Best Newcomer * People & Space * Robotic Scope Each image is accompanied by caption photographer location & technical details. More information about the competition & a short guide to taking astronomy photographs is included. Exhibition Every year the Royal Observatory Greenwich hosts a free exhibition of the winners of the Astronomy Photographer of the Year competition showcasing some incredible images of the sky. www.rmg.co.uk/astrophoto