Placeholder Image

字幕列表 影片播放

自動翻譯
  • You're watching FreeSchool!

    你正在看FreeSchool!

  • On the darkest of nights, far from the lights of cars and cities, something special appears

    在最黑暗的夜晚,遠離汽車和城市的燈光,出現了一些特別的東西。

  • in the sky. A cloudy white stripe of light stretches across the heavens! Ancient peoples

    在天空中。一條條雲白色的光帶在天際延伸!古人

  • thought it looked like a stream of milk spilled across the sky, and so it is called 'the Milky

    認為它像一股牛奶流灑在天空中,所以它被稱為'銀河。

  • Way.'

    方式.'

  • The Milky Way that we see in the sky is part of a galaxy, or a huge collection of stars,

    我們在天空中看到的銀河系是一個星系的一部分,或者說是一個巨大的恆星集合。

  • gas, dust, and other material. Galaxies are held together by gravity, much the same way

    氣體、塵埃和其他物質銀河系是由引力連接在一起的,就像... ...

  • that our solar system is held together by the sun's gravity. The Milky Way is our galaxy,

    我們的太陽系是由太陽的引力支撐起來的。銀河系就是我們的銀河系。

  • where our solar system is located, but the solar system is just a tiny piece of the galaxy.

    我們的太陽系所在的地方,但太陽系只是銀河系的一小塊。

  • The Milky Way is enormous, at least 100,000 light-years across. A light year is how far

    銀河系是巨大的,至少有10萬光年的直徑。一光年是指

  • light can travel in one year, nearly 6 trillion miles. In addition, the Milky Way has at least

    光在一年內可以行駛近6萬億英里。此外,銀河系中至少有

  • 200 billion stars and probably at least 100 billion planets in it.

    2000億顆恆星,可能至少有1000億顆行星在其中。

  • Although it is massive, the Milky Way is not alone in the sky. It's part of a collection

    雖然它是巨大的,但銀河系在天空中並不孤單。它是一個集合的一部分

  • of other galaxies called the local group, made of about 50 galaxies nearby to ours.

    由其他星系組成,稱為在地星系群,由我們附近約50個星系組成。

  • The local group is estimated to be at least 10 million light years across. Outside of

    據估計,當地群至少有1000萬光年的跨。外的

  • the local group, scientists estimate that at least 170 billion galaxies exist in the

    在地組,科學家估計,至少有1700億個星系存在。

  • part of the universe that can be seen from Earth, and there is no way to know how many

    宇宙的一部分,可以從地球上看到,並沒有辦法知道有多少個。

  • more there are beyond that.

    除此之外還有更多的。

  • Galaxies come in many different shapes and sizes. They may have only a few million stars

    星系有許多不同的形狀和大小。它們可能只有幾百萬顆恆星

  • in them or over a trillion. They may be elliptical, spiral, or irregular in shape.

    中或超過一萬億。它們可能是橢圓形、螺旋形或不規則的形狀。

  • The Milky Way, like most known galaxies, is a spiral galaxy. Although no one knows what

    銀河系和大多數已知星系一樣,是一個螺旋星系。雖然沒有人知道

  • the Milky Way actually looks like, because it is impossible to see all of it from the

    銀河系的實際樣子,因為它是不可能看到所有的從它的

  • inside, careful observations of it as well as other galaxies has given scientists a good

    內,對它以及其他星系的仔細觀察,讓科學家們對它有了很好的瞭解。

  • idea of its shape.

    其形狀的想法。

  • There are four main parts in the Milky Way. In the center is the 'bulge,' or Galactic

    銀河系有四個主要部分。中心是'隆起,'或銀河系。

  • center. This is a round bump in the center of the galaxy, about 10,000 light years across,

    中心。這是銀河系中心的一個圓形凸起,直徑約1萬光年。

  • densely packed with stars and other material. Scientists believe that at the very center

    密集著恆星和其他物質。科學家們相信,在最中心的地方

  • of the Milky Way is a giant black hole. The galactic center is the brightest part of the

    銀河系的中心是一個巨大的黑洞。銀河系中心是銀河系中最亮的部分。

  • galaxy.

    銀河系。

  • Next is the disk, a flattened region surrounding the bulge in the center. The disk is about

    接下來是圓盤,是圍繞中心凸起的扁平區域。圓盤大約是

  • 100,000 light-years across. It is filled with young stars, gas and dust, concentrated in

    直徑10萬光年。它充斥著年輕的恆星、氣體和塵埃,集中於

  • the spiral arms. The spiral arms are part of the disk, and make the galaxy look a little

    螺旋臂。螺旋臂是圓盤的一部分,使銀河系看起來有點兒...

  • like a pinwheel. Our solar system is located in one of the Milky Way's spiral arms, where

    像一個針輪。我們的太陽系位於銀河系的一個螺旋臂中,在那裡

  • star systems are spread much farther apart than in the crowded Galactic Center.

    與擁擠的銀河系中心相比,恆星系統分佈得更遠。

  • The last part of the Milky Way is the halo. The halo is a mostly spherical layer of old

    銀河系的最後一部分是光環。光環是由老舊的球狀層組成的。

  • stars and star clusters that surrounds the main disk of the galaxy. The halo is very

    恆星和星團,圍繞著銀河系的主盤。光環是非常

  • empty compared to the rest of the galaxy, with everything in it spread very far apart.

    與銀河系的其他地方相比,空無一物,其中的一切都分佈在非常遙遠的地方。

  • Ancient Greek philosophers thousands of years ago first suggested that the Milky Way might

    幾千年前的古希臘哲學家首次提出,銀河系可能是

  • be made of far away stars that were close together, but there was no way to prove this

    是由相距很近的遠古恆星組成的,但沒有辦法證明這一點。

  • until the 1600s when the astronomer Galileo Galilei observed the Milky Way with his telescope

    直到16世紀,天文學家伽利略-伽利萊用他的望遠鏡觀測銀河時為止

  • and discovered that it was, in fact, made of many, many faint stars. If you can find

    並發現,它其實是由很多很多微弱的星星組成的。如果你能找到

  • somewhere to go that is very dark and far from the lights of cities and cars, you, too,

    某處要去的地方,很黑,遠離城市和汽車的燈光,你,也。

  • can see the mysterious sight that inspired myths and legends for thousands of years - the

    可以看到千百年來激發神話傳說的神祕景象--------。

  • Milky Way.

    銀河系。

You're watching FreeSchool!

你正在看FreeSchool!

字幕與單字
自動翻譯

影片操作 你可以在這邊進行「影片」的調整,以及「字幕」的顯示

B2 中高級 中文 美國腔 銀河系 星系 恆星 中心 太陽系 天空

銀河 (The Milky Way for Children, Galaxies and Space: Astronomy for Kids - FreeSchool)

  • 70 5
    薛明璟 發佈於 2018 年 01 月 16 日
影片單字