Answerable and Unanswerable Questions Does alien life exist? Is time travel possible? How did the Universe begin and how will it end? Is the future pre-determined? These are just some of the fascinating questions posed in this book which stretches across physics, the life sciences and cosmology. Each chapter considers a separate question and ends with either an answer or, if there is insufficient evidence, a ‘best guess’ answer. For every question addressed here—be it time travel, multiple universes, intergalactic travel, or the end of the world—the author has tried to exhaust all possibilities before arriving at a conclusion. Everyone will have their own opinion but one thing is certain— Mysteries of the Universe will fascinate, educate, and stimulate.
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