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

太阳科普 第4期

It's easy to appreciate the power of the sun 在这样炎热的夏日，站在德州湾海边 on a nice hot summer's day like here on the Texas Gulf Coast. 不难体会太阳的威力 And you can feel the power of the sun on your skin, 皮肤能清楚感

太阳科普 第13期

When the sunspots disappeared something on the sun changed 太阳黑子消失时，太阳表面的变化导致 that cooled the Earth down. 地球温度降低 But it wasn't that the solar output changed. 改变的并不是太阳的输出量 No matter

太阳科普 第15期

The key difference of course is that a sunspot's 最关键的不同点在于太阳黑子 an awful lot bigger and so the total energy, 大得多，所以太阳磁场内 or the amount of energy in the magnetic field 所含的总能量大得惊人 on th

太阳科普 第14期

It sits a million miles away from the Earth 它位于距地球一百万里处的 at the Lagrangian point 拉格朗日点 where the gravitational pull from the Earth and the sun is equal. 此处地球和太阳的引力相等 Fixed in space it has an u

太阳科普 第5期

Today that sounds ridiculous. 今日这种说法听来荒唐 But two hundred years ago it didn't seem so unlikely. 但是两百年前还颇言之成理 It was widely believed that 当时一般人认为 the Earth was only a few thousand years old. 地球

太阳科普 第7期

As they grow bigger and bigger, 随着体积越来越大 they start to spin and throw out a disk of debris 它们开始旋转，甩出的碎屑形成盘状 that will coalesce to form a solar system. 在日后融合形成太阳系 This kind of process

太阳科普 第8期

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

太阳科普 第11期

But the sun is much more than a giant lightbulb. 但是太阳不只是个巨大的灯泡 There are other forces at work in the sun. 其内部还有其他的力量正在运作 Forces that change over minutes and over years. 这些力量可能在数分钟

英语操作敏捷游戏:射太阳

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 游戏说明: 游戏用鼠标左键点击射击太阳。

太阳科普 第18期

With one you could power a small village. 一个太阳能碟能满足一座小村的能源需求 A field of them could power a city. 一大批则能供给一座城市所需的能源 Each system produces about 25 kw 一套系统的发电量是25千瓦

太阳科普 第17期

As the world warms up, 在地球日益暖化的今天 the sun may yet prove an unlikely source of cooling. 太阳也许能提供意想不到的冷却效果 The greenhouse effect could be stopped 我们可以藉由利用太阳的热力 by harnessing i

太阳科普 第16期

The auroras dancing displays of celestial light 在天空中熠熠生辉的极光 are caused by particles from the solar storm smashing 是太阳风暴夹带的微粒 through the magnetic field at the poles. 撞击地球两极磁场的结果 When the

英文儿童歌曲:Sally Go Round the Sun 萨利绕着太阳转

Sally,Go'Round the Sun Sally,go'round the sun. Sally,go'round the moon. Sally,go'round the chimney top, Every afternoon.Boom! Sally,go'round the sun. Sally,go'round the moon. Sally,go'round the chimney top, Every afternoon.Boom! Sally,go'round the su

万花筒 2013-07-04&07-08 探索太阳：NASA发射一颗新型太阳观测卫星

-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,

与美国小学生一起学英文第6册 第1期:太阳

The Sun 太阳 Where is the sun right now in the sky? 现在太阳在天空的什么位置？ The sun is at a different place for every minute of the day. 它每分每秒都在不同的地方。 The sun rises from the east, the sun sets in the west. 太

经济学人40:气候和太阳圈 在冬日的阳光中发冷

Science and Technolgy 科技 Climate and the solar cycle 气候和太阳圈 Chilling out in the winter sun 在冬日的阳光中发冷 Stratospheric changes can lead to nasty cold snaps 平流层的变化能引发讨人厌的寒流 THOSE unconvinced-

外媒：科学家警告太阳将在2030年休眠

The Earth could be headed for a 'mini ice age' researchers have warned. 科学家警告称，地球可能会逐渐进入小冰河期。 A new study claims to have cracked predicting solar cycles - and says that between 2020 and 2030 solar cycles will

天线宝宝太阳现真身 年已19岁

A student has broken a 19-year silence and revealed she was the iconic sun baby in hit TV show Teletubbies. 一名学生保密了19年，终于爆料她就是在大热电视节目《天线宝宝》标志性的太阳宝宝。 Jess Smith, from Chatham,

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