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Measuring the Universe: Cosmic Dimensions from Aristarchus to Halley

by Van Helden

ISBN 13: 9780226848822

Format: Paperback (212 pages)
Publisher: University of Chicago Press
Published: 01 Sep 1986

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On Sunspots

by Galileo Galilei,Van Helden,Eileen Reeves,Christoph Scheiner

ISBN 13: 9780226707167

Format: Paperback (410 pages)
Publisher: University of Chicago Press
Published: 30 Nov 2010

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