 Marking Time: The Epic Quest to Invent the Perfect Calendar
ISBN: 978-0-471-29827-4
Hardcover
432 pages
October 1999
US $50.00
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Other Available Formats: E-Book
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DUNCAN STEEL, PhD, is a space researcher who works on the dynamics of solar system objects. He has a special interest in the astronomical bases of the calendar. He teaches and directs a space research program at the University of Salford in Manchester, England. He has appeared on numerous TV shows and documentaries, including the Discovery Channel’s Emmy-winning Three Minutes to Impact.
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