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  • We all know that Stephen Hawking has worked on some of the biggest questions about our cosmos.

    私たちはスティーヴン・ホーキングの研究は

  • But what are those ideas?

    この宇宙の最大の疑問についてであることは知っていますが、

  • What's at the centre of a black hole?

    それはどういったものなのでしょうか?

  • Black holes are incredibly dense objects with such strong gravity that nothing, not even light, can escape their pull.

    ブラックホールは極度の密集物で

  • Hawking worked with physicist Roger Penrose to show that if you were able to travel to the centre of a black hole, you'd find something called a 'singularity'.

    引力が非常に強いため、何も、そして

  • In a singularity, so much matter is squashed into such a small space that the force of gravity becomes infinite.

    光でさえも、その引力から逃れることはできない。

  • Everything is crushed into a point of infinite density, punching a hole through the fabric of the universe, and tearing up the rulebook of physics as we know it.

    ホーキングは物理学者ロジャー・ペンローズと共同研究をしており、

  • It's pretty frightening stuff.

    ブラックホールの中心へ行けるとすると

  • What happens at the edge of a black hole?

    「特異点」と呼ばれるものを見つけることができるという研究をしていた。

  • You might think that a vacuum is empty.

    この「特異点」では多くの物が非常に小さい空間に押しつぶされるため、

  • But it's not. At least, not according to quantum theory.

    引力の力が無限になり、

  • It's fizzing with particles and anti-particles that pop into existence from nowhere and then disappear.

    全てが密度が無限大である点へと押しつぶされ

  • When this happens at the edge of a black hole, one of the pair of particles can fall in, leaving the other to escape.

    宇宙の空間に穴をあけ、

  • This tiny stream of escaping particles is known as, ''Hawking radiation.''

    我々の知っている物理の法則をズタズタに裂く

  • Now, those particles that fell into the black hole, they have a negative mass, and cause the black hole to get smaller, and smaller, until it disappears.

    おそろしいですね。

  • It will take a while, in fact a very long while, but in its final moments a black hole will explode with the energy of a million nuclear bombsleaving nothing behind.

    ブラックホールの端では何が起きているのでしょうか?

  • So why is Stephen Hawking our most famous living scientist?

    真空とはカラと思いでしょうが、

  • Well, he showed that at one point everything in our universe was squeezed into a singularity, which then exploded into the Big Bang, eventually forming galaxies, stars, planets, you, me, and everything in existence!

    違うのです、少なくとも量子論によると。

  • That was the beginning of our universe.

    それは粒子、反粒子といった

  • And I suppose the incredible thing is that he came up with all these profound, provocative insights without the convenience of being able to write anything down.

    どこからともなく現れ

  • He did it all by thought alone.

    消えるもので溢れている。

We all know that Stephen Hawking has worked on some of the biggest questions about our cosmos.

私たちはスティーヴン・ホーキングの研究は

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