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OverviewFull Product DetailsAuthor: Dennis D. McCarthy (United States Naval Observatory) , P. Kenneth Seidelmann (University of Virginia)Publisher: Cambridge University Press Imprint: Cambridge University Press Edition: 2nd Revised edition Dimensions: Width: 17.80cm , Height: 2.30cm , Length: 25.30cm Weight: 0.950kg ISBN: 9781107197282ISBN 10: 1107197287 Pages: 400 Publication Date: 18 October 2018 Audience: Professional and scholarly , General/trade , Professional & Vocational , General Format: Hardback Publisher's Status: Active Availability: In stock  We have confirmation that this item is in stock with the supplier. It will be ordered in for you and dispatched immediately. Table of ContentsReviews'Why do we add 1 second to our clocks at midnight at the end of some years, or at the end of June in others? Why don't we subtract 1 second sometimes instead? ... You will find the answers to these and many more questions in this excellent book, written by two experts who worked on the practical aspects of these topics at the US Naval Observatory ... The second edition brings these subjects right up to date, and investigates the possible future developments in timekeeping.' L. V. Morrison, The Observatory 'Why do we add 1 second to our clocks at midnight at the end of some years, or at the end of June in others? Why don't we subtract 1 second sometimes instead? ... You will find the answers to these and many more questions in this excellent book, written by two experts who worked on the practical aspects of these topics at the US Naval Observatory ... The second edition brings these subjects right up to date, and investigates the possible future developments in timekeeping.' L. V. Morrison, The Observatory 'Why do we add 1 second to our clocks at midnight at the end of some years, or at the end of June in others? Why don't we subtract 1 second sometimes instead? ... You will find the answers to these and many more questions in this excellent book, written by two experts who worked on the practical aspects of these topics at the US Naval Observatory ... The second edition brings these subjects right up to date, and investigates the possible future developments in timekeeping.' L. V. Morrison, The Observatory Author InformationDennis D. McCarthy is a former Director of Time at the United States Naval Observatory, the leading authority in the US for astronomical and timing data. He has led and been a member of various Commissions and Working Groups within the International Astronomical Union and has authored and edited numerous publications dealing with fundamental astronomy, time, and Earth orientation. P. Kenneth Seidelmann is a research professor of astronomy at the University of Virginia and is a former Director of Astrometry at the US Naval Observatory. He has led and been a member of a Division, various Commissions, and Working Groups of the International Astronomical Union, has co-authored two other books: Fundamentals of Astrometry (Cambridge, 2004) and Celestial Mechanics and Astrodynamics (2016), and is co-editor of the Explanatory Supplement to the Astronomical Almanac (2012). Tab Content 6Author Website:Countries AvailableAll regions |
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