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Ancient Earth, Ancient Skies: The Age of Earth and its Cosmic Surroundings

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How old is Earth? How old are the planets, the Moon, meteorites, stars, and the Universe itself? How do scientists know these things? If you’ve ever asked yourself some or all of these questions, then this book is for you.

Planet Earth and the other bodies of the Solar System are 4.5 billion years old. They reside in a galaxy (the Milky Way Galaxy) that is 12-14 billion yea
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Paperback, 264 pages
Published June 8th 2004 by Stanford University Press
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Ilya
Dec 30, 2013 Ilya rated it liked it
The Solar System, including Earth, is about 4.55 billion years old. How do we know this? Well, there are several interesting ways. The simplest is to take a rock that originally had uranium but not lead and see how much of the uranium has decayed into lead since the rock solidified. To be more precise, you can check separately how much uranium-238 has decayed into lead-206 and how much uranium-235 has decayed into lead-207; lead can be lost when the rock is heated, but its isotopic ratio won't ...more
Anthony Edridge
Jul 25, 2013 Anthony Edridge rated it liked it
Ancient Earth, Ancient Skies provides a thoughtful and well presented argument for the great age of our earth, using masses of scientific evidence, with numerous diagrams to help the reader understand simple models of physics.

He starts out defining the scientific method and its limitations. He neglects, however to mention that his discussion only encompasses natural sciences, for which measurements can be repeated and refined. Dalrymple failed to mention that some sciences require interpretation
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David
Dec 31, 2009 David rated it really liked it
This book gives an excellent introduction to the modern techniques of geologic dating. It also has an excellent overview on how these techniques have been used to obtain convincing results for the ages of the earth, moon, meteorites and, more generally, of the material of which our solar system is constructed.

This book is an updated version of Dalrymple's 1991 book "The Age of the Earth". On the plus side, the author updates some of the results. One example is a nice section on the latest mass s
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