complete guide to astronomers and astronomical terms and theories.

The Firefly Astronomy Dictionary is an invaluable reference forunderstanding the major terms and theories used in astronomy. There are 1,000up-to-date entries that are extensively cross-referenced. This dictionary alsoprovides concise coverage of the many new developments in space exploration.

Two hundred color illustrations and 35 tables provide concise details aboutthe planets and stars. Written in a style that is both interesting andaccessible, its compact size is ideal for a handy reference and study guide. Aswell as defining scientific terms and explaining theories, the dictionaryprovides brief biographies of over 100 famous astronomers including Ptolemy,Galileo, Johann Kepler, Copernicus and Edwin Hubble. An appendix provides tablesof symbols and mathematical units and calculations used in astronomy.

From aberration to Zwicky, the Firefly Astronomy Dictionary is aninvaluable reference for active observers, armchair enthusiasts and students.