New horizons in astronomy / [by] John C. Brandt [and] Stephen P. Maran. Brandt, John C. Maran, Stephen P., joint author. Astronomy. QB43.2 .B7 520 BRN Includes bibliographical references. San Francisco : W. H. Freeman, c1972. c1972. 1972 Text xii, 496 p. eng A Series of books in astronomy and astrophysics