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内容简介:
Book Description
“A Brief History of Time”, published in 1988, has been a landmark volume in scientific writing and in worldwide acclaim and popularity, with more than nine million copies sold. That edition was on the cutting edge of what was then known about the nature of the universe. Since its publication, however, there have been extraordinary advances in the technology of observing both the micro- and the macrocosmic world, confirming many of Professor Hawking’s predictions. Eager to bring to his original text the new knowledge revealed by these observations, Hawking has written a new introduction, updated chapters throughout, and added an entirely new chapter on Wormholes and Time Travel.
“A Brief History of Time” has guided nonscientists everywhere to confront the supreme questions of the nature of time and the universe, taking them to distant galaxies, black holes, alternate dimensions — as close as man has ever ventured to the mind of God. This anniversary edition makes vividly clear why Professor Hawking’s eloquent classic has transformed our view of the universe.
Amazon.com
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.”
–Therese Littleton
From Library Journal
A new edition?with pictures?for those who couldn’t fathom the original.
About Author
Stephen Hawking, who was born on the anniversary of Galileo’s death in 1942, holds Isaac Newton’s chair as Lucasian Professor of Mathematics at the University of Cambridge. Widely regarded as the most brilliant theoretical physicist since Einstein, he is also the author of Black Holes and Baby Universes, a collection of essays published in 1993, as well as numerous scientific papers and books.
Book Dimension :
length: (cm)22.8 width:(cm)15.5
点击链接进入中文版：
时间简史(插图本)
注：该书有2个封面内容完全一致，货品随机发送
作者简介:
史蒂芬·霍金（Stephen Hawking, 1942- ），现任剑桥大学卢卡斯数学教授。他广被推崇为继爱因斯坦后最杰出的理论物理学家。霍金的主要著作有《时间简史》、《霍金讲演录——黑洞、婴儿宇宙及其他》和《果壳中的宇宙》。
原文摘录:
在一个无限的宇宙，每一点都可以认为是中心，因为在它的每一边都有无限颗恒星。
不管多少回实验的结果和某一理论相一致，你永远不可能断定下一次结果不会和它矛盾。
我们现在关于物体运动的观念来自于伽利略和牛顿。
伽利略的测量指出，不管物体的重量是多少，其速度增加的速率是一样的。
除了他的运动定律，牛顿还发现了描述引力的定律：任何两个物体都相互吸引，其引力大小与每个物体的质量成正比。
牛顿引力定律还告诉我们，物体之间的距离越远，则引力越小。（人与人之间的吸引是不是也如此？）
我们必须接受的观念是：时间不能完全脱离和独立于空间，而必须和空间结合在一起形成所谓的空间——时间的客体。
我们看到的从很远星系来的光是在几百万年之前发出的，在我们看到的最远的物体的情况下，光是在80亿年前发出的。这样当我们看宇宙时，我们是在看它的过去。
没有东西走得比光更快。
牛顿理论说，物体之间的吸引力依赖于它们之间的距离。这意味着，如果我们移动一个物体，另一物体所受的力就会立即改变。（奥修说，当你伤害了一朵花儿，你就伤害了一颗星星。）
在相对论中并没有一个唯一的绝对时间，相反地，每个人都有他自己的时间测度，这依赖于他在何处并如何运动。
空间和时间不仅去影响、而且被发生在宇宙中的每一件事所影响。
从爱因斯坦广义相对论可推断出，宇宙必须有个开端，并可能有个终结。
如果在一个清澈的、无月亮的夜晚仰望星空，能看到的最亮的星体最可能是金星、火星、木星和土星这几颗行星，还有巨大数目的类似太阳、但离开我们远得多的恒星。
美国天文学家埃得温·哈勃证明了，我们的星系不是唯一的星系。事实上，还存在许多其他的星系，在它们之间是巨大的空虚的太空。
现在我们知道，我们的星系只是用现代望远镜可以看到的几千亿个星系中的一个，每个星系本身都包含有几千亿颗恒星。
黑洞就是由这种恒星的坍缩和围绕它们的强大的引力场… (查看原文)
敛目
1 回复
36赞
2012-07-01 09:08:03
—— 引自第180页
我们将永远不能完全肯定，我们是否确实找到了正确的理论，因为理论不能被证明。 (查看原文)
Azeril
10赞
2012-06-28 23:06:12
—— 引自章节：全书