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EXPLORATIONS - Mauna Kea in Hawaii: Astronomy on the World's

EXPLORATIONS - Mauna Kea in Hawaii: Astronomy on the World's Highest Island Mountain By Shelley Gollust Broadcast: Wednesday, October 05, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Ba

发表于:2018-12-01 / 阅读(186) / 评论(0)

Explorations

太阳科普第3期

The winter solstice events at Maeshowe demonstrate 梅萧韦古墓葬的冬至事件 an intimate and precise knowledge of 展现了古人 the sun's movements through the sky. 对太阳运行轨迹的精确了解 It was the first step on ourjourney to

发表于:2018-12-07 / 阅读(107) / 评论(0)

2006年慢速英语（五）月

托福听力短文 I-06-3

(woman) Most people think of astronomers as people who spend their time in cold observatories peering through telescopes every night. In fact, a typical astronomer spends most of his or her time analyzing data and may only be at the telescope a few

发表于:2018-12-30 / 阅读(118) / 评论(0)

托福听力短文

不为人们重视的光污染

61 不为人们重视的光污染 ENVIRONMENT REPORT - August 31, 2001: Light PollutionBy Mario Ritter （Start at 1'01

发表于:2019-01-02 / 阅读(169) / 评论(0)

自然探索

SSS 2008-09-11

This is Scientific American's 60-Second Science. I'm Cynthia Graber .This will just take a minute. A year ago astronomers sent out an invitation. A robotic telescope called the Sloan Digital Sky Survey had produced almost a million images. Researcher

发表于:2019-01-08 / 阅读(200) / 评论(0)

Scientific American(九)月

SSS 2012-03-02

This is Scientific American 60 second Science, I am Cynthia Graber, got a minute? Now's a great time to break out that backyard telescope. Because Saturday, March 3, is the Mars opposition. It's one of the times that the Earth and Mars pass the close

发表于:2019-01-08 / 阅读(138) / 评论(0)

Scientific American(三)月

历史上的今天-Today in History 2011-04-25

April 25th, 1874Radio pioneer Guglielmo Marconi is born in Bologna, Italy. In spite of the great distance bodily separating us, you hear my voice as clearly and distinctly as I think you should. 1507,America gets its name, nearly fifteen years after

发表于:2019-01-19 / 阅读(95) / 评论(0)

历史上的今天-2011年

历史上的今天-Today in History 2012-04-25

发表于:2019-01-19 / 阅读(99) / 评论(0)

历史上的今天-2012年

历史上的今天-Today in History 2015-04-25

发表于:2019-01-19 / 阅读(121) / 评论(0)

历史上的今天-2015年

英语听力：自然百科 LCROSS 探测器撞击月球

NASA has accomplished another first. I guess my summary is really cool. Today we kicked up some moon dusts and all indications are.. its going to be a very interesting set of results. As we, uh, approach very rapidly the surface of the Cabeus crater.

发表于:2019-01-22 / 阅读(116) / 评论(0)

自然百科2009年

【小龟乐游记】冰封王座（28）

文本： Garithos：Now, the undead have begun a new _(1)_ to retake Dalaran. Their primary strike force marched south through Silverpine, but we managed to halt its advance at the base of the mountains. Prince Kaelthas：My men are ready to fight,

发表于:2019-01-23 / 阅读(90) / 评论(0)

小龟乐游记英语短文

【小龟乐游记】冰封王座（29）

文本： Kaelthas：Hail. Lord Garithos. The observatories have been repaired as you requested. We were just about to Garithos：I received _(1)_ news from the front line. Is it true that youve consorted with the vile naga? Kaelthas：Well, yes, mil

发表于:2019-01-23 / 阅读(100) / 评论(0)

小龟乐游记英语短文

【小龟乐游记】冰封王座（30）

文本： Emissary：Greetings, Prince Kael. I bring word from Grand Marshal Garithos. Kaelthas：What news from the _(1)_? Emissary：Apparently the observatories you repaired detected a large undead force massing nearby. Lord Garithos has commanded

发表于:2019-01-23 / 阅读(100) / 评论(0)

小龟乐游记英语短文

万物简史第24期:走进太阳系(2)

This was actually something of a blow to Pluto's status as a planet, which had never been terribly robust anyway. Since previously the space occupied by the moon and the space occupied by Pluto were thought to be one and the same, it meant that Pluto

发表于:2019-01-29 / 阅读(100) / 评论(0)

万物简史

诺贝尔奖金牌被安检误认违禁物品

He won the Nobel Prize for physics. But Brian Schmidt received no special treatment from the TSA when he tried to take the 24-carat pure gold medal through airport security in Fargo, Nebraska. He was awarded the prize, made from $10,000 of gold, for

发表于:2019-02-04 / 阅读(118) / 评论(0)

英语新闻

美国宇航局时隔两年找回失联太阳观测卫星

After losing communication with a space probe two years ago, NASA says it has reestablished contact. 在和一颗卫星失联长达两年之后，美国宇航局日前宣布，已和它重新取得了联系。 NASA said it lost contact with the Solar

发表于:2019-02-05 / 阅读(85) / 评论(0)

英语新闻

张家界建造的世界最长玻璃桥

The bridge will be suspended across Zhangjiajie Grand Canyon in scenic Zhangjiajie National Park in central China's Hunan Province. When completed, project engineers say the bridge will be 300 meters above ground and 430 meters in length. The bridge

发表于:2019-02-05 / 阅读(84) / 评论(0)

英语新闻

中国建造世界最高重力波望远镜

They were proposed almost exactly 100 years ago by Albert Einstein based on his theory of general relativity but it was only in February 2016 that scientists proved the existence of gravitational waves. And now China is starting work on the worlds hi

发表于:2019-02-06 / 阅读(124) / 评论(0)

英语新闻

Magnetic Bubbles Detected at Edge of Solar System

The latest data from the twin Voyager spacecrafts suggest the outer edge of the solar system is not smooth but filled with giant magnetic bubbles. Scientists say the turbulent bubbles are the result of the interaction between the Suns magnetic field

发表于:2019-02-06 / 阅读(152) / 评论(0)

英语新闻

太阳科普第1期

It is dawn and the sun is rising 黎明，朝阳升起 as it has every day for the last 5 billion years. 五十亿年如一日 For millennia it has been a constant golden disk 千万年来，太阳一直有如一个金色圆盘般地 shining its unch

发表于:2019-02-27 / 阅读(193) / 评论(0)

太阳科普

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