シャドーイング練習: All of Astronomy in 6 minutes - 動画で英語スピーキングを学ぶ

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Hello mortals.
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Are you here because you have an astronomy exam tomorrow and the only things you know are that the Milky Way and Mars are candy bars?
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Worry no more, as watching this video guarantees that you completely fail anything you’re supposed to be studying for right now.
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Astronomy. Astro – star, nomy - a specified area of knowledge, therefore, astronomy – a branch of science studying space and celestial objects.
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And then there is Astrology, where logy “denotes a subject of study or interest”.
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So what’s the difference between the two?
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Simply - the second is full of crap.
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It claims that the position of stars for some reason influences your mood.
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No Tiffany, that’s not an excuse for your bitchy attitude.
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In fact, there are quite a few words ending in -logy that are pseudosciences.
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If you see or hear them in a conversation, ignore it.
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This video is an exception.
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Back to real science.
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A branch of astronomy is cosmology – cosm from cosmos.
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It studies the origins of the universe, the Big Bang, and its future.
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The term “cosmonaut” however, has nothing to do with it.
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It’s just the soviet version of “astronaut”.
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And that shouldn’t be confused with the word “astronomer” – a scientist in the field of astronomy.
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Next up comes Astrophysics.
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And guess what it’s about.
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Yeap, the physical properties of stars, galaxies, planets, black holes and the rest of the circus.
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The line between astrophysics and astronomy is pretty blurry since scientists are the one that came up with those names, and we know how it goes.
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After this we have Observational Astronomy, which has further subdivisions that are concerned with, well, observation, but in different wavelengths.
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Radio astronomy studies cold objects such as gas clouds, the cosmic microwave background radiation and pulsars.
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Infrared astronomy usually concerns itself with objects colder than stars, such as planets.
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Optical astronomy uses the light the human eye can see, and thus can analyze chemical compositions of stars and galaxies.
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The last remaining branches study only the very energetic processes such as supernovas, magnetars, black holes and binary pulsars.
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Oh – I wonder what this is about.
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You guessed it, it’s the study of the abundance and reactions of molecules in the Universe.
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But don’t confuse it with cosmochemistry, that is mainly concerned with the objects contained within the Solar System.
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Through spectroscopy, astrochemists can infer the elemental abundances and temperatures of stars and interstellar clouds based on the absorption and emission of light from molecules and atoms.
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Astrobiology.
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It studies Schopenhauer’s take on the ethical significance of tragedy.
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Fine. It’s about aliens and the origin of life.
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Is it common in the universe?
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How could we detect it?
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Where could we find it?
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Should we even find it?
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Fun fact, this is a golden plaque that we have attached on the Pioneer 10 space probe, in case any alien finds it.
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This way, they know which way to send gifts for humanity.
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Another interesting concept is Panspermia – the hypothesis that life on Earth originated from microorganisms that arrived through asteroids and space dust from different planets.
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And now time for some fun facts.
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In 840AD the Emperor of Bavaria freaked out and died when he saw a sun eclipse for the first time.
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It takes 225 million years for our Solar System to travel around the galaxy – last time the sun was at the current position, the early dinosaurs just started appearing.
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Your anus spins tilted on its side, resulting in seasons lasting 42 Earth years.
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You already know how the universe is a crazy place.
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Literally larger and older than you can comprehend.
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And we barely scratched the surface of understanding it.
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But do you know what’s way easier to understand – how to build a website on today’s sponsor’s platform – Squarespace.
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このレッスンの語彙とスピーキングのポイント

このC1レベルのスピーキングレッスンは、動画「All of Astronomy in 6 minutes」を教材にしています。 繰り返し出てくる語は次のとおりです：astronomy, star, website, sciencephiletheai, squarespace。 この動画には、シャドーイング用の文が61文、単語が797語あります。 音声の長さは5:45です。 話す速さは1分あたり約139語で安定しており、シャドーイングしやすいペースです。 英語の頻出3,000語に含まれる単語は78%だけなので、語彙は難しめです。

この動画の重要語彙

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語発音意味
astronomy 名詞/əˈstɹɑ.nə.mi/天文学
astrophysics 名詞/ˌæs.tɹoʊˈfɪz.ɪks/天体物理学
pulsar 名詞パルサー
molecule 名詞/ˈmɑ.lɪ.kjul/分子
abundance 名詞/əˈbʌn.dn̩s/大量, 多量
astronomer 名詞/əˈstɹɒn.ə.mə/天文学者
cosmology 名詞/kɑzˈmɑləd͡ʒi/宇宙論
cosmonaut 名詞/ˈkɑz.məˌnɔt/宇宙飛行士, コスモノート
microorganism 名詞/ˌmaɪ.kɹoʊˈɔɹ.ɡəˌnɪz.m̩/微生物
spectroscopy 名詞/spɛkˈtɹɒs.kə.piː/分光法, 分光学
supernova 名詞/ˌsuː.pə(ɹ)ˈnəʊ.və/超新星
wavelength 名詞/ˈweɪvˌlɛŋ(k)θ/波長
cosmos 名詞/ˈkɑzməs/コスモス, 宇宙
celestial 形容詞/səˈlɛs.t͡ʃ(ə)l/空の, 天空の
asteroid 名詞/ˈæst(ə)ɹɔɪd/小惑星

動画に出てくる句動詞

単語意味
get off 動詞降りる

繰り返し練習したい文

動画に出てくる短く完結した文です。日常会話でそのまま使えます。

  • How could we detect it?
  • Where could we find it?
  • Should we even find it?

この動画の文法

話し手がよく使っている文型を、動画の実際の表現とともに紹介します。

文型動画での表現
現在完了形 have/has + 過去分詞 — 過去の出来事が今も関係しているhave attached · you've missed
受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てるhave is answered · can be found

注意したい発音

話し手はdon't, shouldn't, you'reなど、短縮形や弱形を4回使っています。聞こえたとおりの短い形で発音しましょう。

  • 「th」の音: wavelength /ˈweɪvˌlɛŋ(k)θ/, hypothesis /haɪˈpɒθɪsɪs/, ethical /ˈɛθɪkəl/
  • 「sh」と「zh」の音: subdivision /ˈsʌbdɪvɪʒən/, absorption /æbˈsɔɹp.ʃn̩/, emission /ɪˈmɪʃ.ən/
  • 長い単語（アクセントの位置に注意）: astronomy /əˈstɹɑ.nə.mi/, astrophysics /ˌæs.tɹoʊˈfɪz.ɪks/, astronomer /əˈstɹɒn.ə.mə/, cosmology /kɑzˈmɑləd͡ʒi/, elemental /(ˌ)ɛləˈmɛntəl/

日本語話者が苦手な音：

  • /r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: blurry /ˈblɜːɹi/, mortal /ˈmɔɹ.təl/
  • /v/ — /b/ にならないように、上の歯を下唇に当てる: supernova /ˌsuː.pə(ɹ)ˈnəʊ.və/, wavelength /ˈweɪvˌlɛŋ(k)θ/, subdivision /ˈsʌbdɪvɪʒən/, microwave /ˈmaɪkɹoʊˌweɪv/
  • /f/ — 「フ」ではなく、上の歯と下唇で出す: astrophysics /ˌæs.tɹoʊˈfɪz.ɪks/, confuse /kənˈfjuːz/, infrared /ˌɪnfɹəˈɹɛd/, specify /ˈspɛs.əˌfaɪ/

この動画での練習方法

  1. まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
  2. 通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
  3. 自分の声を録音して元の音声と比べます。astronomy, astrophysics, pulsarなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →