单词：supernova star
单词：supernova star 相关文章
Scientists have long believed that a star explodes when it reaches the end of its life. This explosion is called a supernova. NASA, the American space agency, describes a supernova as the largest explosion that takes place in space. Recently, a team
2017年VOA慢速英语(十一)月
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
国家地理2008年
SCIENCE IN THE NEWS - Youngest Type 1a Supernova Ever Observed SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. STEVE EMBER: And Im Steve Ember. Today, we tell about the discovery of what astronomers are cal
2012年VOA慢速英语(一)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its not every day we get a chance to time travel. Other than into the future at the rate of one second per second. But astronomers say theyve done a li
Scientific American(十二)月
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
自然百科2008年
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
自然百科2011年
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
探索与发现2015年
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
探索与发现2015年
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
探索与发现2015年
47 天文学家发现一颗距离地球最远的超新星 DATE=5-9-01 TITLE=SCIENCE REPORT - Farthest Supernova BYLINE=Jill Moss (Start at 59
科技之光
小编在此与大家分享GRE阅读制胜法则，帮助各位考生在应对GRE阅读材料时更加胸有成竹。 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
GRE英语
Mr Hudson - Supernova Supernova Mr. Hudson Ft. Kanye West [Mr Hudson] Chorus: And I feel like taking off Let me be your supernova Before you make the biggest mistake of your life Just give me the chance to get it right Verse 1: They got it all They'v
好听的英文歌曲
BEIJING, Oct. 26 (Xinhuanet) -- The question, why the first documented supernova was super-sized and grew so fast, has puzzled astronomers for centuries. Now it is solved by US researchers. The supernova, an exploded star, was observed in 185 A.D. an
英语新闻
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。篇章由多个论点组成，论点由作为论据的句子构成，
GRE英语
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。篇章由多个论点组成，论点由作为论据的句子构成，
GRE英语
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
GRE英语
GRE考试改革后，对整体词汇量的要求下降20%，但是新GRE阅读词汇的考察中增加了对词汇的理解能力等等的题目，所以难度还是很大的，大家不要把注意力只放在数量的积累上，在整体文章的理
GRE英语
How many special people change? 有多少特殊的人已改变？ How many lives are living strange? 有多少生命让生活不凡？ Where were you while we were getting high? 当我们在欢乐中晕眩时你在何处？ Slowly walking down the ha
听歌学英语
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。篇章由多个论点组成，论点由作为论据的句子构成，
GRE英语