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P. J. E. Peebles

The Whole Truth: A Cosmologist's Reflections on the Search for Objective Reality

The Whole Truth: A Cosmologist's Reflections on the Search for Objective Reality

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  • More about The Whole Truth: A Cosmologist's Reflections on the Search for Objective Reality


The Whole Truth is a personal reflection on the quest for objective reality in natural science by Nobel Prize-winning physicist P. J. E. Peebles, who explores the fundamental working assumptions of physical science and how they are being discovered through increasingly rigorous scrutiny.

Format: Hardback
Length: 264 pages
Publication date: 02 August 2022
Publisher: Princeton University Press


A century ago, thoughtful individuals pondered the compatibility of reality with constantly evolving physical theories, ranging from a mechanical ether model to electric and magnetic fields, and from homogeneous matter to electrons and atoms. Today, concepts such as dark matter and dark energy have added complexity and depth to the pursuit of objective reality.

The Whole Truth is a profound personal exploration of this ongoing quest by one of the world's foremost cosmologists. At its core, what lies at the heart of physical science? What are the fundamental principles that shape and guide this scientific enterprise? Is the concept of objective reality meaningful? If so, do our established physical theories effectively capture it? P. J. E. Peebles, a renowned physicist with a lifetime of experience, takes on these and other critical questions about the nature of science, drawing upon his expertise in cosmology as a case study. He traces the historical trajectory of thought about the nature of physical science since Einstein, presenting a concise overview of the fundamental working assumptions. Through a meticulous examination of the general theory of relativity, Einstein's cosmological principle, and the theory of an expanding universe, Peebles demonstrates the evidence that we are gradually uncovering the essence of reality through rigorous scrutiny in successive approximations.

This landmark work, The Whole Truth, is an indispensable resource for anyone with a deep interest in the practice of science.

Weight: 592g
Dimension: 165 x 246 x 27 (mm)
ISBN-13: 9780691231358

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