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An Introduction to General Relativity and Cosmology - Steven A. Balbus - Bog - Princeton University Press - Plusbog.dk

An Introduction to General Relativity and Cosmology - Steven A. Balbus - Bog - Princeton University Press - Plusbog.dk

An engaging and authoritative introduction to general relativity and cosmology for graduate students and advanced undergraduatesGeneral relativity has entered a new phase of its development as technical advances have led to the direct detection of gravitational radiation from the merging of single pairs of stellar-sized black holes. The exquisite sensitivity of pulsar signal timing measurements has also been exploited to reveal the presence of a background of gravitational waves, most likely arising from the mergers of supermassive black holes thought to be present at the center of most galaxies. This book demonstrates how general relativity is central to understanding these and other observations while explaining the role of relativity in modern cosmology. An Introduction to General Relativity and Cosmology is an essential entrée to the subject, combining full discussions of underlying principles with detailed derivations as well as an accessible treatment of the mathematical foundations of singularity theorems and more advanced topics. Combines rigor with a conversational, highly pedagogical approachEmphasizes connections with other areas of physics to sharpen intuition while emphasizing general relativity’s unique contributions to modern theoretical physicsPresents a novel derivation of the energy flux of gravitational wavesProvides detailed and explicit derivations of important results, including binary star evolution by gravitational radiation lossesFeatures a detailed treatment of the Hellings-Downs formula, key to understanding pulsar timing array results for gravitational radiationProvides a reexamination of the equivalence principle for relativistic particlesPresents new results on the mathematical solutions of the innermost orbits of the gaseous disks that surround black holesIncludes a wealth of exercises

DKK 591.00
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The Supernova Story - Laurence Marschall - Bog - Princeton University Press - Plusbog.dk

The Supernova Story - Laurence Marschall - Bog - Princeton University Press - Plusbog.dk

Astronomers believe that a supernova is a massive explosion signaling the death of a star, causing a cosmic recycling of the chemical elements and leaving behind a pulsar, black hole, or nothing at all. In an engaging story of the life cycles of stars, Laurence Marschall tells how early astronomers identified supernovae, and how later scientists came to their current understanding, piecing together observations and historical accounts to form a theory, which was tested by intensive study of SN 1987A, the brightest supernova since 1006. He has revised and updated The Supernova Story to include all the latest developments concerning SN 1987A, which astronomers still watch for possible aftershocks, as well as SN 1993J, the spectacular new event in the cosmic laboratory.

DKK 333.00
1