跟读练习: Journey Into Space 🪐 | Spaced Out FULL Compilation | Nat Geo Kids Compilation | @natgeokids - 通过YouTube学习英语口语
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Have you ever wondered about our universe and what separates us from space?
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The scale of the universe is incredible.
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When we look up in the night sky, we can see stars.
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But those stars are in our immediate neighborhood.
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They're the stars that are the closest stars to the sun within our own Milky Way galaxy.
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The Milky Way is a spiral galaxy that both the sun and the solar system are apart,
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along with a bunch of stars clustered together that create a brightly lit center.
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At first glance from Earth, it looks like a wide path of light, the ancients once described as a river of milk.
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It has a combination of two major and minor arms, two smaller spurs, as well as a collection of 100 billion stars.
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Those are the same stars that you can see with the naked eye when you look up at the night sky.
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But imagine how much more of the universe lies behind the lens of a telescope.
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With Hubble, we've been able to see beyond the Milky Way galaxy.
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We can see nearby galaxies like the Andromeda galaxy that are interacting with the Milky Way galaxy.
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We can look beyond that and see galaxies that are colliding with one another.
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And we can see to the far reaches of the universe.
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So even though it may seem like we're millions of miles away from the outer galaxy, we're only really separated by a thin layer of atmosphere.
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We got to get there.
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We got to get there.
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Flying through space at the speed of light is an image familiar to us from science fiction.
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It is also the inspiration from many astronomers today.
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Through astronomy, we try and understand what our place in the universe is.
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My job is to expand humankind's knowledge about the universe.
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My passion for astronomy comes from my wondering about how the universe works.
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So when I was a kid, I used to watch a lot of science fiction and read a lot of science fiction.
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I really loved Star Trek.
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Star Trek, they would fly around to another system and they would always be, you know, teeming with aliens.
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But if you look around our own solar system, it's sort of one intense landscape after the next.
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Places that look completely uninhabitable, like Mercury, which is a thousand degrees, Venus, which rains acid, or Mars, which has global dust storms,
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or Jupiter, which doesn't even have a surface.
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And so I figured there has to be some middle ground in between these two.
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How does the actual universe work?
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The connection between sci-fi fantasy and the world of astronomy is closer than we think.
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I really was driven to understand how much of what we see on television and what people imagine is real.
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It doesn't have to be related to finding life on another world.
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It could be related to understanding how our sun works, or understanding how planets form, when the first galaxies turned on in the universe.
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I mean, these are just questions that we would like to know to expand our knowledge of the universe.
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Discovering the real science behind the adventures of science fiction is a part of the amazing journey in becoming an astronomer.
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Let's play a game.
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What's the size of a school bus that travels five miles per second
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and takes some of the coolest pictures in the universe?
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The answer is right above you.
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Well, about 340 miles above you. And it's called Hubble.
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The Hubble Space Telescope is the most important tool
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that we have for understanding our universe and what our place within it is.
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From space, Hubble can see planets, stars, and galaxies much clearer than telescopes here on the ground,
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some as far as 13.4 billion light years away.
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Its images have completely changed the way we think about viewing stars.
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Prior to the launch of Hubble, when we thought of astronomy and telescopes, we really thought essentially of telescopes on the ground.
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People looking through eyepieces and things like that.
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No one knows exactly who invented the first telescope,
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but in 1610, Italian astronomer Galileo Galilei was the first to point his own homemade telescope up toward the stars.
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Then, more than 300 years later, astronomer Edwin Hubble used a large telescope to discover entire galaxies.
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The telescope itself is named Hubble Space Telescope after Edwin Hubble, and one of these iconic images is of Edwin Hubble himself looking through one of these telescopes
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that you could almost mistake for the Hubble if it were in space.
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Instead of an eyepiece, Hubble uses digital cameras.
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This camera can record visible light, ultraviolet light, and even infrared light.
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And scientists look forward to using Hubble to solve the mysteries of outer space.
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Today, demand for the Hubble Space Telescope is at a record high.
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Anybody in the world can write a proposal to use Hubble, and we're receiving more than a thousand proposals every year for scientists wanting to tackle tough questions about the universe.
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Hubble is always doing the best science that's out there.
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What inspires you?
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Is it hearing your favorite song?
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Reading a new book?
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Seeing a beautiful work of art?
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What about pictures of the universe?
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The Hubble Space Telescope is a giant telescope that take some of the most beautiful pictures from space of planets, stars, and galaxies.
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People all over the world have been inspired by the beautiful images that Hubble has taken.
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It has answered some of our biggest curiosities about the universe
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and taken things that were in the realm of science fiction and brought them into reality.
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It's observed black holes and supernova and other worlds orbiting other stars.
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It's truly the people's telescope.
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Hubble unravels the mysteries of outer space and ignites our curiosities.
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The Hubble Space Telescope is woven into the fabric of our culture, from music to art to fashion to poetry.
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So its role, in part,
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was to take the most beautiful imagery that had ever been seen and share it via the Internet to the world.
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And for over 25 years, Hubble has done just that.
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Soon, it will be sharing the skies with its new successor.
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The James Webb Space Telescope,
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which will work alongside Hubble to peer even deeper into our universe and will be 100 times more powerful,
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continuing to inspire us all to expand our creativity beyond what we can see right in front of us.
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We got the United.
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Have you ever wanted to take a closer look at the stars?
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see some of the coolest parts of our universe, then you'll need a telescope.
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A big one.
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The Hubble Space Telescope has a mirror that's eight feet across.
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So this is much bigger than any telescope that you've ever used over your backyard.
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Hubble is about 44 feet long and weighs more than 25,000 pounds.
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But what's most impressive about it is that we put it into space, so in order to do that, it has to use very small amounts of power.
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NASA fuels Hubble with the largest power source we know, the sun.
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Two large solar panels capture sunlight to use as solar energy.
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The Hubble Space Telescope is not only big in size and low on energy, it's also fast.
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It travels around the Earth in its orbit at something like 20,000 kilometers per hour, so about 10,000 miles per hour, and it orbits the Earth every hour and a half.
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At this rate, the Hubble can travel from Los Angeles to Boston in about 10 minutes.
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One of the reasons that the Hubble Space Telescope is
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so powerful today is that we've enabled new ways to use the telescope that didn't exist before.
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Hubble is the first telescope designed to be visited in space by astronauts who perform repairs,
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replace parts, and update its technology with new instruments.
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We installed a brand new set of cameras and spectrographs and instruments in Hubble during its last servicing mission, and they're all performing remarkably well.
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Although the Hubble Space Telescope launched over 25 years ago, it continues to be one of the most important tools we have to learn about the universe.
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Hubble has made countless discoveries through its observations.
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And answering new puzzles that have emerged requires more powerful telescopes.
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And so one of Hubble's greatest legacy is not just to answer questions about the universe, but also to open up new mysteries that we can solve with future telescopes.
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We'll see you next time.
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在这段视频中，演讲者带领我们探索宇宙的奥秘。他以天文学家的身份，分享了他对宇宙的惊奇和探索的热情。借助哈勃太空望远镜的强大功能，演讲者向观众展示了宇宙的壮丽和无垠。通过科学与科幻之间的联系，他鼓励人们深入了解我们在宇宙中的位置以及如何飞越光速的梦想。这样的内容不仅令人兴奋，也为英语学习者提供了丰富的词汇和表达方式。
日常交流的五个关键短语
- “我们可以看到星星。” - 这是描述夜空景象的简单句子，适合用来练习发音。
- “电波飞行。” - 这个短语可以用于讨论光速的主题，非常适合提高英语发音。
- “探访其他星系。” - 适合使用在与科学等主题相关的对话中。
- “我们正在扩展人类的知识。” - 使用这句话时，可以引入许多相关的知识讨论。
- “我们如何理解太阳的运作。” - 通过这个短语，引导学生思考与天文学相关的讨论。
逐步跟读指导
要有效提高您的英语口语练习，遵循以下逐步指导，便于您掌握本视频的内容并融入“shadow speech”技术：
- 观看视频并获取第一印象：在观看过程中，注意演讲者的语调和节奏。思考您能理解的内容。
- 分段练习：将视频分为若干段落，每段重复播放，确保您跟得上演讲者的速度。
- 重复模仿：在每段后，暂停并尝试模仿演讲者的发音与语调，提升您的口语流利度。
- 利用 shadowing site 资源：利用各种能够帮助您提高发音的资源，模仿演讲者的所有细节。
- 定期检查进展：定期录下您的声音，回放与原视频对比，这样您可以清楚看到自己的进步与不足。
通过这样的练习，您不仅可以丰富自己的词汇量，还能在英语口语练习中逐步掌握流利的发音。无论是通过天文学的讨论，还是科幻作品的启发，都是提升英语水平的有效途径。“shadowspeaks”将是您探索美妙发音的绝佳工具。期待您愉快地携手走进英语学习的星际旅程！
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。