Ideal for professional Astronomers and geneal readers alike, this book covers comprehensive list of astronomy-related terms. This encyclopaedia is one of its kinds available. It covers all areas of astronomy including planets, asteroids, and technical advancements. There is comprehensive coverage of latest research. This new encyclopaedia integrates all of the diverse approaches that have gone into the making of the modern field of astronomy. It is unique among available reference works in that it covers the most recent topics of research and interest, combines the features of an encyclopaedia and present material concisely in one convenient volume.