With over 2,300 entries, this fascinating and expansive dictionary covers all aspects of space exploration, from A-Train to Zvezda. This jargon-free new edition has been fully revised and updated to take into account the new developments in space exploration on an international scale over the last thirteen years, with new entries such as Hitomi, Space X Dragon, and Ariane 5 Rocket. All entries are fully cross-referenced for ease of use, and are supported by over 75 photographs, illustrations, and diagrams. In addition to the main definitions, this new edition also contains links to over 250 space-related websites. This authoritative, comprehensive, and clear dictionary is essential reading for anyone with an interest in astronomy and space travel.