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Extragalactic Adventure : Our Strange Universe - Jean Heidmann

Extragalactic Adventure

Our Strange Universe

By: Jean Heidmann, Maureen Schaerffer (Translator), Ann Boesgaard (Translator), Carl Sagan (Foreword by)

Paperback Published: 10th May 1982
ISBN: 9780521280457
Number Of Pages: 184

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The extragalactic universe, the immense world of a billion galaxies lying beyond out own, is the subject of this book. Our Sun is but a tiny star among a hundred billion other in our Galaxy, the Milky Way, which appears as a luminous veil trailing across the clear night sky. Beyond the Milky Way we will soar into space amid galaxies, clusters of galaxies, radio galaxies and quasars of enormous energy, out to the cosmological horizon which arrests our flight like an intangible barrier. Why do galaxies seem to fly from us? Is space so strongly curved that by going straight ahead we come up behind ourselves? Did it all begin with an enormous explosion, the famous Big Bang, which decided our fate in the first quarter of an hour? These are the questions which this rigourous and enthusiastic scientist tries to answer with complete honesty and non-technical clarity.

Foreword
Preface
Our galaxy and its hundred billion stars
Galaxies, population of the Universe
Radioastronomy, a deeper foray in space
Spectra, valuable messengers
The expansion of the Universe and the Big Bang
Einstein's general relativity theory or gravitation by the curvature of space
Curved spaces, surprising worlds
Models of the Universe or possible scenarios
Space-time, a meeting of where and when
Cosmological horizons, limits of the Universe
The past of the Universe, from the primeval soup to us
The future of the Universe, what destiny awaits us?
Anomalous spectral redshifts, new question marks
Quasars, at the boundaries of space
The space telescope, a new leap in knowledge
Black holes and their fantastic properties
Extraterrestrials
Epilogue
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780521280457
ISBN-10: 0521280451
Audience: Tertiary; University or College
Format: Paperback
Language: English
Number Of Pages: 184
Published: 10th May 1982
Publisher: CAMBRIDGE UNIV PR
Country of Publication: GB
Dimensions (cm): 21.59 x 13.97  x 1.07
Weight (kg): 0.24

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