Shadowing Practice: How The Universe Could Destroy Life On Earth - Learn English Speaking with Video
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it is fair to say that during the Hadean Eon earth was a sterile planet nothing could have survived this hellish environment but fast forward time about 500 million years after
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the late heavy bombardment and we get evidence for prokaryotic life such as bacteria and blue-green algae but we have to move forward in time again at the Proterozoic
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Eon to see the first fossil evidence of diverse and complex multicellular organisms the beginning of the Cambrian is the time of the first organisms with shells try low bites were
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dominant toward the end of the Cambrian period with over 600 general of these mud burrowing scavengers as soon as life started to blossom and extinction was not long overdue
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even though Nature has thrown many extinction curveballs towards life such as the Cretaceous Paleogene extinction event that wiped out the dinosaurs life has managed to find a way to
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survive life finds a way it is estimated that in 2029 a killer asteroid known as Apophis will be
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headed on a collision course towards Earth I'll let Neil deGrasse Tyson explain it best there's an asteroid coming and they have a close approach in 2029 on April 13th the Friday by the way it's
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about 300 meters across and it will come closer to Earth than our orbiting communication satellite yeah I could say you know why do we have a space program so that we don't go extinct dinosaurs went
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extinct they didn't have a space program I don't to be the laughingstock of aliens in the galaxy if they learned that we could have deflected an asteroid because we had the intelligence opposable thumbs and an existing space program but chose not to because of funding shortsightedness we
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beat the laughingstock of the galaxy to have gone extinct for not having that foresight besides killer asteroids there are giant explosions in distant galaxies that send
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out swarms of powerfully energetic gamma ray bursts they are some of the most powerful events in the universe although gamma ray bursts are rare events if one were to hit
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Earth it would be the universe's Way of giving us the middle finger with the gamma rays beamed directly at her if the radiation would destroy a significant portion of our atmosphere specifically the ozone layer the end result would be mass extinctions
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of most species of life on our planet there is something more frightening in the cosmos than a gamma-ray burst something we can't even see a rogue black hole
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it is estimated that our galaxy the Milky Way contains about 100 million black holes the thought alone of a rogue black hole with a trajectory toward the solar system is nerve shattering
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luckily for us the odds of a black hole devouring earth are estimated to be one in a trillion but what if we were to be that unlucky it wouldn't take a supermassive black hole to completely
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annihilate the solar system in fact a black hole smaller than the smallest planet Mercury would be able to destroy the entire solar system because its mass would be several thousand times greater
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than the biggest planet Jupiter the intense gravitational pull of the black hole would tear our planet apart causing devastating earthquakes and super volcanoes finally when reaching Earth's
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orbit it would reduce our planet to a smoldering magma Laden Rock another way the universe could destroy life on Earth and everything else probably is via vacuum decay in this scenario a quantum
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bubble of vacuum decay pops into existence somewhere in the universe inside this subatomic bubble the laws of physics are wildly different than those in our universe furthermore it expands
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at the speed of light destroying all planets stars comets asteroids and even the forces of the universe the only bit of relief we get from vacuum decay is that it expands at the speed of
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light so we wouldn't even know it was coming if the cosmic dice is in life's favour and these doomsday scenarios never occur then one thing is for certain in approximately 5 billion years the
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Sun will begin the helium burning process turning into a red giant star when it expands its outer layers will consume mercury and and vaporize earth ending a nine billion year old journey of life you
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Vocabulario y notas de pronunciación para esta lección
Esta lección de conversación de nivel C1 se basa en el vídeo “How The Universe Could Destroy Life On Earth”. Las palabras que más se repiten: hole, planet, earth, asteroid, universe. Este vídeo tiene 22 frases y 719 palabras para practicar shadowing. La parte hablada dura 5:02. El hablante mantiene un ritmo constante de unas 143 palabras por minuto, cómodo para el shadowing. Solo el 75 % de las palabras está entre las 3.000 más comunes del inglés, por lo que el vocabulario es exigente.
Vocabulario clave de este vídeo
Las 15 palabras más avanzadas del vídeo, con su pronunciación y significado:
| Palabra | Pronunciación | Significado |
|---|---|---|
| asteroid sustantivo | /ˈæst(ə)ɹɔɪd/ | asteroide, planetoide |
| gamma sustantivo | /ˈɡæ.mə/ | gamma |
| extinction sustantivo | /ɪkˈstɪŋkʃən/ | extinción |
| extinct adjetivo | /ɪkˈstɪŋkt/ | extinto |
| decay sustantivo | /diˈkeɪ/ | descomposición, deterioración |
| vacuum sustantivo | /ˈvæ.kjuːm/ | vacuo |
| organism sustantivo | /ˈɔɹ.ɡəˌnɪz.əm/ | organismo |
| dinosaur sustantivo | /ˈdaɪnəsoɹ/ | dinosaurio |
| rogue sustantivo | /ˈɹoʊɡ/ | canalla, granuja |
| mercury sustantivo | /ˈmɜɹkjəɹi/ | mercurio, azogue |
| orbit sustantivo | /ˈɔɹ.bɪt/ | órbita |
| annihilate verbo | /əˈnaɪ.ə.leɪt/ | aniquilar, anihilar |
| bacterium sustantivo | /bækˈtɪəɹ.ɪəm/ | bacteria |
| bombardment sustantivo | /bɑmbɑɹdmənt/ | bombardeo |
| burrow sustantivo | /ˈbʌɹoʊ/ | madriguera, ratonera |
Phrasal verbs que vas a escuchar
| Palabra | Significado |
|---|---|
| wipe out verbo | aniquilar, exterminar |
Gramática en este vídeo
Las estructuras que más usa el hablante, con las palabras exactas del vídeo:
| Estructura | En el vídeo |
|---|---|
| Oraciones condicionales if + oración, will/would + verbo — una condición y su resultado | if the radiation would destroy |
| Voz pasiva be + participio pasado — importa lo que ocurre, no quién lo hace | is estimated · are estimated |
Pronunciación a tener en cuenta
El hablante usa 7 contracciones y formas reducidas, como don't, wouldn't, can't. Dilas en su forma corta, tal como las oyes.
- Los sonidos de “sh” y “zh”: extinction /ɪkˈstɪŋkʃən/, gravitational /ˌɡɹævɪˈteɪʃənəl/, hellish /ˈhɛlɪʃ/, shatter /ˈʃætɚ/, collision /kəˈlɪʒn̩/
- Palabras largas — cuida el acento: organism /ˈɔɹ.ɡəˌnɪz.əm/, annihilate /əˈnaɪ.ə.leɪt/, gravitational /ˌɡɹævɪˈteɪʃənəl/, subatomic /ˌsʌbəˈtɑːmɪk/, trajectory /tɹəˈd͡ʒɛktəɹi/
Sonidos difíciles para hispanohablantes:
- s + consonante al inicio — sin añadir una “e” delante: scavenger /ˈskæv.ən.d͡ʒə(ɹ)/, smolder /ˈsməʊldə(ɹ)/, sterile /ˈstɛɹəl/
- /v/ — no es /b/: los dientes tocan el labio inferior: vacuum /ˈvæ.kjuːm/, devastate /ˈdɛv.ə.steɪt/, devour /dɪˈvaʊɚ/, gravitational /ˌɡɹævɪˈteɪʃənəl/, overdue /ˌoʊ.vəɹˈdu/
- /z/ — sonora, no /s/: organism /ˈɔɹ.ɡəˌnɪz.əm/, doomsday /ˈduːmz.deɪ/, cosmos /ˈkɑzməs/, cosmic /ˈkɑz.mɪk/
Cómo practicar con este vídeo
- Escucha el vídeo entero una vez sin hablar y anota las palabras que no conoces.
- Haz shadowing frase por frase a velocidad normal, repitiendo cada una hasta que tu ritmo coincida con el del hablante.
- Grábate y compara con el original, prestando atención a palabras como asteroid, gamma, extinction.
¿Qué es la Técnica de Shadowing?
Shadowing es una técnica de aprendizaje de idiomas respaldada por la ciencia, desarrollada originalmente para la formación de intérpretes profesionales y popularizada por el políglota Dr. Alexander Arguelles. El método es simple pero poderoso: escuchas audio en inglés nativo y lo repites en voz alta de inmediato, como una sombra que sigue al hablante con solo 1-2 segundos de retraso. A diferencia de la escucha pasiva o los ejercicios de gramática, el shadowing obliga a tu cerebro y músculos de la boca a procesar y reproducir simultáneamente patrones de habla reales. Las investigaciones muestran que mejora significativamente la precisión de la pronunciación, la entonación, el ritmo, el habla conectada, la comprensión auditiva y la fluidez al hablar, convirtiéndola en una de las metodologías más efectivas para la preparación del IELTS Speaking y la comunicación en inglés en el mundo real.