SCIENCE IN THE NEWS - Criticism Weighs Heavy on New Solar System With Pluto as a 'Dwarf Planet'By Mario Ritter and produced by Brianna Blake Broadcast: Tuesday, September 05, 2006 VOICE ONE: This is S

发表于:2018-12-07 / 阅读(62) / 评论(0) 分类 2006年慢速英语(九)月

And after a while a pattern emerged. 久而久之,人们就归纳出一个模式 If you observe sun spots over several years, 若连续观察太阳黑子好几年 they come and go with an about an eleven year cycle. 会发现它们约每隔11年会周

发表于:2018-12-07 / 阅读(103) / 评论(0) 分类 太阳科普

I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.

发表于:2018-12-07 / 阅读(73) / 评论(0) 分类 火星生命

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Were on the verge of finding out how frequently habitable planets occur in the universe. That was astronomer Alan Boss at the AAAS meeting on February 14th. And I thin

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(二)月

Science and Techonology 科技 Astronomy: De Nova Stella 天文学:新星诞生 Astronomers predict a Stella explosion will happen in 5 years time. 天文学家预测5年之内会发生一次星际爆炸 Amateur astronomers have a new date for thei

发表于:2018-12-30 / 阅读(69) / 评论(0) 分类 经济学人科技系列

The Making of Isaac Newton Anyone who has ever gone to school is probably aware that Isaac Newton formed his theory of gravity after seeing an apple fall from a tree. This story is allegedly true. Wha

发表于:2018-12-31 / 阅读(50) / 评论(0) 分类 有声英文阅读

This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry research is critical in solving some of the world's most daunting problems, concerning energy, food an

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(十一)月

本月8号,伟大的物理学家史蒂芬霍金将迎来他70岁寿辰,为此他接受了《新科学家》杂志的采访,当被问到白天思考的最多的是什么时,霍金教授语出惊人:是女人,女人完全是个谜。 史蒂芬

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 阅读空间

I dread to come to the end of the year,said a friend to me recently, it makes me realize I am growing old. William James, the great psychologist, said that most men are old fogies at twenty-fiveHe was right. Most men at twenty-five are satisfied with

发表于:2019-01-08 / 阅读(56) / 评论(0) 分类 励志英语

[00:01.07]How long have we been observing Mars? [00:04.11]Well, towards the end of the nineteenth century [00:07.11]improved telescopes meant that astronomers [00:09.39]could start to observe the surface [00:11.27]of the planet. [00:12.86]An Italian

发表于:2019-01-10 / 阅读(259) / 评论(0) 分类 北师大版高中英语模块7(选修)

如果我休息,我就会生锈 The significant inscription found on an old key---If I rest, I rust---would be an excellent motto for those who are afflicted with the slightest bit of idleness. Even the most industrious person might adopt it with a

发表于:2019-01-11 / 阅读(87) / 评论(0) 分类 阅读空间

EXPLORATIONS - How the Distant World of Eris Caused Big Changes Here on EarthBy Mario Ritter Broadcast: Wednesday, October 11, 2006 VOICE ONE: I'm Shirley Griffith. VOICE TWO: An artist's picture of E

发表于:2019-01-30 / 阅读(70) / 评论(0) 分类 2006年慢速英语(十)月

Thursday ' s Solar Eclipse Should Provide Dramatic View David McAlary Washington 20 Jun 2001 02:44 UTC The first 1)solar eclipse of the new millenium occurs Thursday, June 21. It will give millions of

发表于:2019-01-31 / 阅读(76) / 评论(0) 分类 VOA2001-国际风云(1)

When most people think of high-paying jobs, there are several classic well-to-do professions that jump to mind. For example, everyone knows that more often than not, lawyers, doctors and CEOs are likely to see a pretty hefty paycheck each year. 当大多

发表于:2019-02-03 / 阅读(141) / 评论(0) 分类 阅读空间

Friday, March 20, will see an astronomical triple play when a rare total solar eclipse occurs on the same day as the vernal equinox, and a supermoon makes an appearance.本周五(3月20日)将上演天文现象三合一:春分当天发生日全食

发表于:2019-02-05 / 阅读(134) / 评论(0) 分类 阅读空间

Hovering in the sky, this rainbow cloud over Mount Everest took an astonished astronomer by surprise. 盘踞在珠穆朗玛峰上空中的彩虹云让一名天文学家震惊不已。 Oleg Bartunov, 51, caught the spectacle on camera during a Himalay

发表于:2019-02-05 / 阅读(48) / 评论(0) 分类 英语新闻

在进行托福阅读考试准备的时候,大家一定要多找一些托福阅读常考的话题相关材料进行练习。这样才能更好的把握托福阅读的考试。为大家带来托福阅读历年常考话题汇总,希望对大家的托

发表于:2019-02-14 / 阅读(54) / 评论(0) 分类 托福英语

By the early 1900s, it had often become impossible to know whether an asteroid that popped into view was new 到20世纪初,往往分不清哪颗小行星是刚刚出现的, or simply one that had been noted earlier and then lost track of. 哪颗小

发表于:2019-02-25 / 阅读(71) / 评论(0) 分类 万物简史

在进行托福阅读考试准备的时候,大家一定要多找一些托福阅读常考的话题相关材料进行练习。这样才能更好的把握托福阅读的考试。今天为大家带来托福阅读历年常考话题汇总,希望对大家

发表于:2019-03-02 / 阅读(83) / 评论(0) 分类 托福英语

神探夏洛克第一季第三集_20 他不会的 不会的 He wouldn't. He just wouldn't. 不 No. 世上无奇不有 Stranger things have happened. 小韦不是叛国贼 Westie wasn't a traitor. 这样说太过分了 That's a horrible thing to say! 很

发表于:2019-03-16 / 阅读(282) / 评论(0) 分类 神探夏洛克第一季