Collins Dictionary of Astronomy

This reference source for students, teachers and everybody with a professional or amateur interest in astronomy contains over 3500 entries and describes the range of astronomical bodies of observational techniques, instruments and observatories.

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This reference source for students, teachers and everybody with a professional or amateur interest in astronomy contains over 3500 entries and describes the range of astronomical bodies, both well-known and newly discovered. It includes descriptions of observational techniques and of instruments and observatories, both ground-based and in space, and it gives the theories about the origin and evolution of the universe.