标签：Farthest Supernova 相关文章

国家地理-2008-05-03 Planetary Life After Death 浴火重生的行星

Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy wit

发表于:2018-12-30 / 阅读(65) / 评论(0) 分类 国家地理2008年

英语听力：自然百科 Planetary Life After Death 浴火重生的行星

Like a phoenix rising from the ashes, astronomers have found a whole new solar system may be forming in the wake of a star's violent death. This is the Hidden Universe of the Spitzer Space Telescope, exploring the mysteries of infrared astronomy with

发表于:2019-01-22 / 阅读(52) / 评论(0) 分类 自然百科2008年

英语听力：自然百科 穿越银河系的旅行 Through Milky Way—10

To understand how these calamities occur, astronomers need to catch a massive star in its death throes. Astronomers are like detectives. We have to figure out what's going on in the universe, sometimes based on a minimum number of clues. And in the c

发表于:2019-01-22 / 阅读(72) / 评论(0) 分类 自然百科2011年

2015-04-24 BBC:星光七纪元-28

And takes dedication perseverance and a love of the thrill of the chase, not just any kind of astronomer but a supernovae hunter, and one with perfect timing.You know usually nothing much happens in astronomy, stars live for millions or billions of y

发表于:2019-01-23 / 阅读(668) / 评论(0) 分类 探索与发现2015年

2015-05-20 BBC:星光七纪元-35

Could these be the neutron stars predicted by Z? astronomers nicknamed them pulsars and immediately set their telescopes searching for further clues about them, just a year later, they found one, in the perfect place to put Z's theory to the test.In

发表于:2019-01-23 / 阅读(78) / 评论(0) 分类 探索与发现2015年

2015-06-03 BBC:星光七纪元-39

It remains to some extent a theory, but Doug has got as close as anyone to actually seeing it happen.It's started by getting alert on the computer that a supernova had gone off in a very nearby galaxy, only 210 million light years away, here is a pic

发表于:2019-01-23 / 阅读(75) / 评论(0) 分类 探索与发现2015年

VOA标准英语2008年-Scientists Discover Milky Way's Youngest Explod

By Cindy Saine Washington 14 May 2008 Scientists have announced the discovery of the youngest known exploding star, or supernova, in our Milky Way galaxy. Astronomers say the remnant of the most recent supernova could provide clues to a long-standing

发表于:2019-02-09 / 阅读(124) / 评论(0) 分类 VOA标准英语2008年（五月）

在阅读中把握GRE词汇含义方法技巧

在阅读中把握GRE词汇含义方法技巧 GRE文章是论证性文字，不是说明性文字，也不是叙述性文字。这种以论证为特点的文字，及于GRE阅读文章的各个层面：篇章段落句子单词。篇章由多个论点组

发表于:2019-02-17 / 阅读(46) / 评论(0) 分类 GRE英语

GRE阅读中遇到陌生词汇要沉着应对

首先要说的是，在阅读教学的研究当中，语言学家们发现，一篇文章中不认识的单词占全文词汇总量的比例只要控制在8%以内，是绝对不会影响到我们对全文任何观点的理解的。基于这一点，我

发表于:2019-02-25 / 阅读(71) / 评论(0) 分类 GRE英语
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