A Brief History of Time: From the Big Bang to Black Holes

A Brief History of Time: From the Big Bang to Black Holes pdf

作者:

卡尔·萨根

意见:

961

语:

英语

评分:

0

部门:

自然科学

页数:

200

部分:

天文学

文件大小:

2663047 MB

书籍质量 :

出色的

下载一本书:

39

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卡尔·爱德华·萨根 1934 年 11 月 9 日出生于美国布鲁克林。一位美国天文学家是简化天文学、天体物理学和其他自然科学的最杰出贡献者之一。他还在美国航天局NASA的创建中发挥了重要作用。他在推动全球以外寻找智能生物方面发挥了主导作用。他在芝加哥大学学习物理学,1960年获得天文学和天体物理学博士称号。他在哈佛大学任教,1968 年移居康奈尔大学,1971 年成为大学教授。萨根编辑并主持了电视节目“宇宙”,他在其中解释了天文学,该节目在许多国家播出。他曾获得美国宇航局奖章(两次)、阿斯特奖章和普利策奖。他于 1985 年写了一部小说《塔瓦苏尔》,并于 1997 年参演了一部电影。使萨根与众不同的最重要的事情是他对向公众简化太空和天文学科学的重大贡献,这可能导致大多数人的成功在他的书中,最值得注意的是: 1- 宇宙 2- 行星地球 一个淡蓝色的点 3- 十亿和十亿 4 - 恶魔居住的世界 5 - 伊甸之龙萨根认为宇宙包含一个或多个生命框架之外的生命行星地球。这是基于宇宙的巨大规模,他的想法只是说地球以外的地方适合生命的条件是可能的,只要我们谈论的是一个包含无数星系的宇宙、 恒星和行星。他还认为素数是宇宙数。萨根于 1996 年 12 月 20 日去世

书的描述

A Brief History of Time: From the Big Bang to Black Holes pdf 卡尔·萨根

Stephen Hawking, one of the most brilliant theoretical physicists in history, wrote the modern classic A Brief History of Time to help nonscientists understand the questions being asked by scientists today: Where did the universe come from? How and why did it begin? Will it come to an end, and if so, how? Hawking attempts to reveal these questions (and where we're looking for answers) using a minimum of technical jargon. Among the topics gracefully covered are gravity, black holes, the Big Bang, the nature of time, and physicists' search for a grand unifying theory. This is deep science; these concepts are so vast (or so tiny) as to cause vertigo while reading, and one can't help but marvel at Hawking's ability to synthesize this difficult subject for people not used to thinking about things like alternate dimensions. The journey is certainly worth taking, for, as Hawking says, the reward of understanding the universe may be a glimpse of "the mind of God."

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