Published in association with
Dr David M. Harland Space Historian Kelvinbridge Glasgow UK
SPRINGER-PRAXIS BOOKS IN SPACE EXPLORATION SUBJECT ADVISORY EDITOR: John Mason B.Sc., M.Sc., Ph.D.
ISBN 10 0-387-26129-X Springer Berlin Heidelberg New York ISBN 13 978-0-387-26129-4 Springer Berlin Heidelberg New York
Springer is a part of Springer Science + Business Media (springer.com)
Library of Congress Control Number: 2006940319
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© Copyright, 2007 Praxis Publishing Ltd.
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Cover design: Jim Wilkie
Copy editing: Alex Whyte
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Printed in Germany on acid-free paper
Eugene Antoniadi, Percival Lowell and Bernard Lyot who saw so clearly
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