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Author: Geoff McNamara
Publisher: Springer Science & Business Media
ISBN: 038776562X
Category : Science
Languages : en
Pages : 192
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Book Description
Pulsars are rapidly spinning neutron stars, the collapsed cores of once massive stars that ended their lives as supernova explosions. In this book, Geoff McNamara explores the history, subsequent discovery and contemporary research into pulsar astronomy. The story of pulsars is brought right up to date with the announcement in 2006 of a new breed of pulsar, Rotating Radio Transients (RRATs), which emit short bursts of radio signals separated by long pauses. These may outnumber conventional radio pulsars by a ratio of four to one. Geoff McNamara ends by pointing out that, despite the enormous success of pulsar research in the second half of the twentieth century, the real discoveries are yet to be made including, perhaps, the detection of the hypothetical pulsar black hole binary system by the proposed Square Kilometre Array - the largest single radio telescope in the world.
Author: Geoff McNamara
Publisher: Springer Science & Business Media
ISBN: 038776562X
Category : Science
Languages : en
Pages : 192
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Book Description
Pulsars are rapidly spinning neutron stars, the collapsed cores of once massive stars that ended their lives as supernova explosions. In this book, Geoff McNamara explores the history, subsequent discovery and contemporary research into pulsar astronomy. The story of pulsars is brought right up to date with the announcement in 2006 of a new breed of pulsar, Rotating Radio Transients (RRATs), which emit short bursts of radio signals separated by long pauses. These may outnumber conventional radio pulsars by a ratio of four to one. Geoff McNamara ends by pointing out that, despite the enormous success of pulsar research in the second half of the twentieth century, the real discoveries are yet to be made including, perhaps, the detection of the hypothetical pulsar black hole binary system by the proposed Square Kilometre Array - the largest single radio telescope in the world.
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ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Steven J. Dick
Publisher:
ISBN:
Category : Astronomical observatories
Languages : en
Pages : 200
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Book Description
Author: James Jespersen
Publisher: Courier Corporation
ISBN: 0486409139
Category : Science
Languages : en
Pages : 322
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Book Description
Clear and accessible introduction to the concept of time examines measurement, historic timekeeping methods, uses of time information, role of time in science and technology, and much more. Over 300 illustrations.
Author: Julian Barbour
Publisher: Oxford University Press
ISBN: 0199881898
Category : Science
Languages : en
Pages : 384
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Book Description
Richard Feynman once quipped that "Time is what happens when nothing else does." But Julian Barbour disagrees: if nothing happened, if nothing changed, then time would stop. For time is nothing but change. It is change that we perceive occurring all around us, not time. Put simply, time does not exist. In this highly provocative volume, Barbour presents the basic evidence for a timeless universe, and shows why we still experience the world as intensely temporal. It is a book that strikes at the heart of modern physics. It casts doubt on Einstein's greatest contribution, the spacetime continuum, but also points to the solution of one of the great paradoxes of modern science, the chasm between classical and quantum physics. Indeed, Barbour argues that the holy grail of physicists--the unification of Einstein's general relativity with quantum mechanics--may well spell the end of time. Barbour writes with remarkable clarity as he ranges from the ancient philosophers Heraclitus and Parmenides, through the giants of science Galileo, Newton, and Einstein, to the work of the contemporary physicists John Wheeler, Roger Penrose, and Steven Hawking. Along the way he treats us to enticing glimpses of some of the mysteries of the universe, and presents intriguing ideas about multiple worlds, time travel, immortality, and, above all, the illusion of motion. The End of Time is a vibrantly written and revolutionary book. It turns our understanding of reality inside-out.
Author: Hale Bradt
Publisher: Cambridge University Press
ISBN: 9780521535519
Category : Science
Languages : en
Pages : 462
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Book Description
Astronomy Methods is an introduction to the basic practical tools, methods and phenomena that underlie quantitative astronomy. Taking a technical approach, the author covers a rich diversity of topics across all branches of astronomy, from radio to gamma-ray wavelengths. Topics include the quantitative aspects of the electromagnetic spectrum, atmospheric and interstellar absorption, telescopes in all wavebands, interferometry, adaptive optics, the transport of radiation through matter to form spectral lines, and neutrino and gravitational-wave astronomy. Clear, systematic presentations of the topics are accompanied by diagrams and problem sets. Written for undergraduates and graduate students, this book contains a wealth of information that is required for the practice and study of quantitative and analytical astronomy and astrophysics.
Author: Mark Edward Dodson
Publisher: Christian Sky, LLC
ISBN: 9780976240204
Category : Religion
Languages : en
Pages : 188
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Book Description
Why live under a pagan sky? For thousands of years, humankind has dwelled under a dome of stars that have been grouped and identified according to ancient superstitions. Today, the official star constellations pay homage to the pagan gods and goddesses of a dark and chaotic world, a world before Christ, and yet these are the constellations that scouting groups and school children all around the world have been encouraged to learn for hundreds of years. Now, for the first time, the sky has been mapped in accordance with easy-to-find star patterns that tell the stories of the Christian faith. No telescope required. No sophisticated instruments needed. After presenting a few simple but very effective techniques for finding your way through the sky at night, the author takes you on a tour of the Christian constellations. Using new constellations inspired by stories from the Bible, you will be able to locate stars, planets, star clusters, and galaxies during any time of the night and at any time of the year. If you have ever wanted to know more about God's grandest creation but have never felt comfortable learning about ancient pagan idols, then this book will provide you with a healthy fresh start.
Author: Howard Schneider
Publisher: National Geographic Books
ISBN: 9781426202810
Category : Nature
Languages : en
Pages : 298
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Book Description
Volume packed full of information that illuminates key astronomical concepts along side the history and legends surrounding the stars and planets.
Author: Frederick R. Chromey
Publisher: Cambridge University Press
ISBN: 052176386X
Category : Science
Languages : en
Pages : 461
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Book Description
With a lively yet rigorous and quantitative approach, this textbook introduces the fundamental topics in optical observational astronomy for undergraduates. It explains the theoretical foundations for observational practices and reviews essential physics to support students' mastery of the subject. Student understanding is strengthened through over 120 exercises and problems.
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ISBN:
Category : Astronomy
Languages : en
Pages : 402
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Book Description
