Foreword. This is a fascinating book, but nevertheless comes as a great surprise to me. The authors, two eminent physicists, are confining their text to a timescale of 100,000 years, but for astrophysicists the timescales of cosmic objects such . Foreword. This is a fascinating book, but nevertheless comes as a great surprise to me. The authors, two eminent physicists, are confining their text to a timescale of 100,000 years, but for astrophysicists the timescales of cosmic objects such ... ...Continua Nascondi