Astronomy is expanding almost as rapidly as the universe itself, and the proliferating scientific jargon can sometimes baffle even the most dedicated amateur. Now, in some 2,400 concise, up-to-date entries, this dictionary cuts a clear path through the maze of complex technical language, offering full, clear definitions drawn from all aspects of classical and modern astronomy. It has been compiled by Jacqueline Mitton, an officer of the Royal Astronomical...