By David A. Weintraub
Astronomers have decided that our universe is 13.7 billion years outdated. How precisely did they arrive to this designated end? How previous Is the Universe? tells the brilliant tale of ways astronomers solved probably the most compelling mysteries in technology and, alongside the way in which, introduces readers to basic suggestions and state-of-the-art advances in sleek astronomy.
The age of our universe poses a deceptively uncomplicated query, and its resolution consists of profound implications for technological know-how, faith, and philosophy. David Weintraub lines the centuries-old quest through astronomers to fathom the secrets and techniques of the evening sky. Describing the achievements of the visionaries whose discoveries jointly unveiled a primary secret, he exhibits what number autonomous strains of inquiry and lots more and plenty painstakingly amassed proof, while outfitted jointly like items in a cosmic puzzle, ended in the long-sought resolution. Astronomers don't think the universe is 13.7 billion years old--they are aware of it. you are going to too after analyzing this e-book. through concentrating on the most the most important questions on the universe and hard readers to appreciate the reply, Weintraub familiarizes readers with the tips and phenomena on the middle of recent astronomy, together with crimson giants and white dwarfs, cepheid variable stars and supernovae, clusters of galaxies, gravitational lensing, darkish subject, darkish strength and the accelerating universe--and even more. providing a special old method of astronomy, How previous Is the Universe? sheds gentle at the internal workings of medical inquiry and divulges how astronomers grapple with deep questions on the actual nature of our universe.
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