By David A. Weintraub
Astronomers have decided that our universe is 13.7 billion years previous. How precisely did they arrive to this specified end? How previous Is the Universe? tells the tremendous tale of ways astronomers solved essentially the most compelling mysteries in technological know-how and, alongside the way in which, introduces readers to basic ideas and state-of-the-art advances in glossy astronomy.
The age of our universe poses a deceptively basic query, and its resolution contains profound implications for technology, faith, and philosophy. David Weintraub strains the centuries-old quest via astronomers to fathom the secrets and techniques of the evening sky. Describing the achievements of the visionaries whose discoveries jointly unveiled a basic secret, he indicates what number self sufficient strains of inquiry and lots more and plenty painstakingly amassed proof, whilst outfitted jointly like items in a cosmic puzzle, ended in the long-sought solution. Astronomers do not believe the universe is 13.7 billion years old--they realize it. you'll too after analyzing this publication. via concentrating on probably the most the most important questions about the universe and difficult readers to appreciate the reply, Weintraub familiarizes readers with the tips and phenomena on the center of contemporary 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. supplying a special ancient method of astronomy, How outdated Is the Universe? sheds gentle at the internal workings of clinical inquiry and divulges how astronomers grapple with deep questions about the actual nature of our universe.
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How Old Is the Universe? by David A. Weintraub