”. The existentially terrifying answer is: there is no such thing as a “correct clock”. Every clock measuresits own timeand there is no such thing as auniversal time. Andyet, cosmologists are always talking
C. How old is the universe? D. Why is the universe so old?相关知识点: 试题来源: 解析 1. B 2形边四 3. 律 4. 开结果一 题目 阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。 The universe likes to be shy about its age, but astronomers believe they have a pretty goo...
Thinking about the Universe We live in a strange and wonderful universe. Its age,size violence, and beauty require extraordinary imagination to appreciate. Theplace we humans hold with in this vast cosmos can seem pretty insignificant...
C. How old is the universe? D. Why is the universe so old? 相关知识点: 试题来源: 解析 B 【文章大意】本文是一篇说明文。 文章主要介绍了关于探索宇 宙年龄的科学研究。 24.B 细节理解题。 【解题思路】根据第二段第一句中的“Because the universe is expanding at an accelerating pace”可知,...
Thirdly, how did stars generate their energy? Einstein’s theory of relativity had become generally accepted by 1962, though there were some astronomers who doubted it – and there still are. At least we know now that the age of the Universe is 13.8 billion years and we are confident that...
27. Space is older than a very, very old person! Scientists have worked out that the universe is about 13.8 BILLION years old. There isn’t a cake big enough to hold that many candles. It would be pretty dangerous, anyway. 28. The sun is absolutely massive!
Scientistshavealwayswantedtoknowmoreabouttheuniverse(宇宙).Yearsago,theyknewmanythingsaboutthemoon.Theyknewhowbigitwasandhowfarawayfromtheearth.Buttheywantedtoknowmoreaboutit.Theythoughtthebestwaywastosendmentothemoon.Themoonisabout384,000kilometersawayfromtheearth.Aplanecannotflytothemoonbecausetheairreaches...
Why is radium still found in nature? Its half-life is 1600 years, and the estimated age of the universe is five billion years. View Solution Age of the universe is about 1010 years whereas the mankind has existed for 106 years. How many seconds would the man have existed if age of ...
C.How old is the universe?D.Why is the universe so old? 相关知识点: 试题来源: 解析 【1】B【2】D【3】A【4】C 这是一篇说明文。文章主要讲述宇宙的寿命。【1】细节理解题。由题干要求定位开头两段,由第二段第一句“Because the universe is expanding at an accelerating pace,the further away...
This is a blog about some ideas concerning the universe; it is informed by my experience of the I-Ching and Astrology, by my involvement with people like Chrissy Philp and by my work coaching leaders in large organisations.