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A pocket-style edition distilled from the New York Times bestsellerAwaiting you in this breezy book is a whirlwind tour through the cosmos-a journey of exploration to other planets, stars, and galaxies, and from black holes to time loops. With acclaimed astrophysicists Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott at your side, here you will find a brief and yet breathtaking introduction to the universe, which will help you in your quest to understand how the cosmos actually works.A Brief Welcome to the Universe propels you from our home solar system to the outermost frontiers of space, building your cosmic insight and perspective through a marvelously entertaining narrative. How do stars live and die? What are the prospects of intelligent life elsewhere in the universe? How did the universe begin? Why is it expanding and accelerating in the process? Is our universe alone or part of an infinite multiverse? Exploring these and many other questions, this pocket-friendly book is your passport into the wonders of our evolving cosmos.

Astrophysics --- Cosmology --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Accelerating expansion of the universe. --- Accretion (astrophysics). --- Alpha particle. --- Andromeda Galaxy. --- Angular diameter. --- Astrobiology. --- Astrophysics. --- Atomic nucleus. --- Barred spiral galaxy. --- Big Bang. --- Calculation. --- Chemical element. --- Chronology of the universe. --- Circumference. --- Copernican principle. --- Cosmic Background Explorer. --- Cosmic microwave background. --- Cosmic string. --- Cosmogony. --- Dark energy. --- De Sitter space. --- Deuterium. --- Dimension. --- Earth. --- Einstein field equations. --- Elementary particle. --- Elliptic orbit. --- Energy density. --- Event horizon. --- Exoplanet. --- Extraterrestrial life. --- Galactic Center. --- Galactic year. --- Galaxy cluster. --- Googol. --- Gravitational wave. --- Gravity. --- Hawking radiation. --- Hubble Space Telescope. --- Hubble's law. --- Inflation (cosmology). --- Interstellar medium. --- Irregular galaxy. --- Jim Peebles. --- Jupiter. --- Kepler (spacecraft). --- Kuiper belt. --- Light-year. --- Longevity. --- Luminosity. --- Main sequence. --- Measurement. --- Metric expansion of space. --- Milky Way. --- Molecule. --- Neutron star. --- Neutron. --- Newton's law of universal gravitation. --- Nitrogen. --- Nuclear fusion. --- Nuclear reaction. --- Observable universe. --- Orion Nebula. --- Photon. --- Physicist. --- Planck (spacecraft). --- Planetary habitability. --- Planetary nebula. --- Positron. --- Prediction. --- Pressure. --- Quantity. --- Quantum tunnelling. --- Quasar. --- Real Humans. --- Red giant. --- Result. --- Satellite galaxy. --- Saturn. --- Shape of the universe. --- Solar System. --- Solar mass. --- Spacecraft. --- Spiral galaxy. --- Star. --- Supernova. --- Temperature. --- The Astrophysical Journal. --- The Pluto Files. --- Thermal radiation. --- Universe Today. --- Universe. --- Uranus. --- Vacuum energy. --- Vacuum state. --- Wavelength. --- Weakly interacting massive particles. --- Welcome to the Universe. --- White dwarf. --- Year. --- SCIENCE / Physics / Astrophysics --- SCIENCE / Physics / General

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From the Nobel Prize–winning physicist, a personal meditation on the quest for objective reality in natural scienceA century ago, thoughtful people questioned how reality could agree with physical theories that keep changing, from a mechanical model of the ether to electric and magnetic fields, and from homogeneous matter to electrons and atoms. Today, concepts like dark matter and dark energy further complicate and enrich the search for objective reality. The Whole Truth is a personal reflection on this ongoing quest by one of the world’s most esteemed cosmologists.What lies at the heart of physical science? What are the foundational ideas that inform and guide the enterprise? Is the concept of objective reality meaningful? If so, do our established physical theories usefully approximate it? P. J. E. Peebles takes on these and other big questions about the nature of science, drawing on a lifetime of experience as a leading physicist and using cosmology as an example. He traces the history of thought about the nature of physical science since Einstein, and succinctly lays out the fundamental working assumptions. Through a careful examination of the general theory of relativity, Einstein’s cosmological principle, and the theory of an expanding universe, Peebles shows the evidence that we are discovering the nature of reality in successive approximations through increasingly demanding scrutiny.A landmark work, The Whole Truth is essential reading for anyone interested in the practice of science.

Cosmology. --- Physics. --- Reality. --- Science --- SCIENCE / Cosmology. --- Philosophy. --- Absolute magnitude. --- Acceleration. --- Angular momentum. --- Approximation. --- Astronomer. --- Astronomy. --- Asymptotically flat spacetime. --- Atomic nucleus. --- Atomic number. --- Baryon. --- Big Bang. --- Calculation. --- Chronology of the universe. --- Classical limit. --- Classical physics. --- Comprehension (logic). --- Conservation law. --- Cosmic Evolution (book). --- Cosmological constant. --- Cosmological principle. --- Density. --- Empirical research. --- Equivalence principle. --- Existence. --- Extrapolation. --- Fred Hoyle. --- Galaxy cluster. --- Galaxy rotation curve. --- General relativity. --- George Gamow. --- Goodness of fit. --- Gravitational acceleration. --- Gravitational redshift. --- Gravity. --- Hubble's law. --- Inverse-square law. --- Jupiter. --- Kinetic energy. --- Kuiper belt. --- Length scale. --- Linear scale. --- Mach's principle. --- Mass distribution. --- Measurement. --- Metric expansion of space. --- Minkowski space. --- Modified Newtonian dynamics. --- Multiple discovery. --- NGC 2403. --- Natural science. --- Neutrino. --- Neutron. --- Newton's law of universal gravitation. --- Number density. --- Observation. --- Order of magnitude. --- Paradigm shift. --- Partial derivative. --- Particle physics in cosmology. --- Peirce (crater). --- Photon. --- Physical cosmology. --- Physical law. --- Physicist. --- Planetary nebula. --- Planetary system. --- Power law. --- Prediction. --- Predictive power. --- Present value. --- Quantum electrodynamics. --- Quantum mechanics. --- Redshift. --- Repeatability. --- Richard Feynman. --- Satellite. --- Scattering. --- Schwarzschild metric. --- Science wars. --- Scientist. --- Sirius. --- Social constructionism. --- Special relativity. --- Spiral galaxy. --- Steady State theory. --- Stellar classification. --- Supersymmetry. --- Temperature. --- Tests of general relativity. --- The Unreasonable Effectiveness of Mathematics in the Natural Sciences. --- Theoretical physics. --- Theory of relativity. --- Theory. --- Thermal radiation. --- Thomas Kuhn. --- Thought. --- Verificationism. --- Wavelength. --- White dwarf. --- Zero-point energy. --- Normal science --- Philosophy of science --- Philosophy --- Truth --- Nominalism --- Pluralism --- Pragmatism --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Astronomy --- Deism --- Metaphysics --- SCIENCE / Space Science / Cosmology --- SCIENCE / History