シャドーイング練習: Should we be looking for life elsewhere in the universe? - Aomawa Shields - YouTubeで英語スピーキングを学ぶ
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Astronomers have discovered thousands of planets orbiting stars other than the Sun.
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Astronomers have discovered thousands of planets orbiting stars other than the Sun.
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They come in all sizes, at different orbital distances from their stars.
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The closest of them are trillions of miles away, and even the largest are just fuzzy patches in the fields of high-powered telescopes.
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But if one of these planets is close in size to the Earth
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and orbits not too close and not too far away from its parent star, it could be rocky and warm enough to have oceans and perhaps life.
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Astronomers discover these potentially habitable planets, and their eyes get big and wide.
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Could one of these distant worlds carry the building blocks of life?
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Or even a living, breathing civilization?
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Is the question, are we alone in the universe, about to be answered?
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But wait, maybe we should ask a different question first.
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Should we try to find out if we're alone in the universe?
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If we do find the atmospheric fingerprints of life on one of these small, distant worlds, should we try to contact any beings who may live there?
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Is that wise?
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Three decades ago, NASA decided the answer was yes.
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Voyager 1 and 2 were launched in 1977 to explore the giant planets in the solar system.
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Each spacecraft carried a golden phonograph record—a time capsule of sorts—that included included clues
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and messages meant to convey the story of human civilization.
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The contents of these gold-plated copper disks were chosen by a committee chaired by American astronomer and author Carl Sagan.
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They included over 100 images and a range of sounds from the natural world, ocean waves, thunder, the sounds of birds and whales.
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The records also included music from many different time periods and cultures,
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greetings in 55 languages, and messages from the President of the United States and the UN Secretary General.
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They also included a map.
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Each golden record displays the location of our solar system with respect to 14 pulsars.
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Their precise, unique frequencies were indicated, so that intelligent extraterrestrial life forms could use them to find the Earth.
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Many years later, renowned physicist Stephen Hawking said
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that it was a mistake to give an alien species a roadmap to our planet.
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Hawking suspected that any extraterrestrial life probably wasn't any more complex than microbes,
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But he warned that if an advanced alien species did visit Earth, it could be as catastrophic as Christopher Columbus's arrival was for the Native Americans.
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Meanwhile, the golden records continue their journeys.
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In 1990, both Voyager spacecraft passed beyond the orbit of Pluto.
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Voyager 1 entered interstellar space in 2012 and will reach the nearest stellar system in 40,000 years.
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If either spacecraft is discovered by extraterrestrial life, there's a possibility that they could decipher the clues from the Golden Record and one day reach our planet.
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That's particularly true if theirs is a much more technologically advanced civilization.
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That life could be benevolent, as we would hope to be if humans are one day able to achieve interstellar travel.
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Or it could be hostile.
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Searching for planets that might have life means staring into a great abyss.
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We'll likely have no clear knowledge of the evolutionary stage, sentience, character, or intentions of the first form of life we discover.
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So it's a risk to turn our eyes outwards.
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we risk our very way of life.
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But it may be a greater risk not to look, to deny the very pioneering spirits that help shape our own species.
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We are all born curious about the world and the universe.
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Pursuing that curiosity is one of humankind's greatest achievements.
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Perhaps there is room to push the frontiers of science, provided that we cradle, alongside our fervor,
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another of humankind's greatest assets, hope you
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このレッスンについて
このレッスンでは、宇宙における生命の探索についての英語のトピックを扱います。特に、天文学者たちが新たに発見した惑星や、そこに生命が存在する可能性について考察します。この動画を通して、具体的な語彙やフレーズを学び、英語のシャドーイングを通じて言語スキルを向上させることができます。学習者は、宇宙の神秘に対する好奇心を持ちつつ、英語を話す自信を深めることが期待されます。
重要な語彙とフレーズ
- 天文学者 (astronomers): 宇宙の構造や天体について研究する科学者。
- 惑星 (planets): 恒星の周りを公転する天体。
- 大気の指紋 (atmospheric fingerprints): 生命の兆候を示す大気の成分。
- 進化の段階 (evolutionary stage): 生物がどのように進化したかを示す概念。
- 貪欲な探求心 (pioneering spirits): 新しい知識を追求する態度。
- 接触 (contact): 他の生命体とコミュニケーションを試みること。
- 文明 (civilization): 社会の発展段階。
- リスク (risk): 損失や危険の可能性。
練習のコツ
この動画のスピードとトーンに合わせて英語を話すためには、シャドーイングを取り入れることが非常に有効です。以下のポイントを参考にしてください。
- 動画の再生速度を調整して、自分のペースで聞きます。
- 最初は短いフレーズを繰り返し、徐々に長い文に挑戦してください。
- 発音やアクセントを意識し、リズムに合わせて声に出してみましょう。
- 動画の内容を理解してから再度視聴し、特に感情が込められた部分を重点的にシャドーイングします。
- shadowspeaksやshadow speechといったキーワードを使い、互換性のあるフレーズを探しながら練習しましょう。
これらの方法を通じて、YouTubeで英語学習を行いながら、宇宙探査に関する興味深い話題を楽しむことができます。
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。