This Is What the Birth of the Universe Sounded Like | Mark Whittle | TED
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You may have heard the phrase "in space, no one can hear you scream," but that's true only for human ears.
你可能听过“在太空中，没人能听到你的尖叫”这句话，但这只对人类的耳朵而言。
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The universe is filled with tenuous atmospheres of one kind or another, and through those atmospheres, pressure waves, sound moves through stars, across galaxies, even between galaxies.
宇宙中充满了各种稀薄的大气，通过这些大气，压力波和声音可以在恒星之间、星系之间，甚至星系团之间传播。
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One of the most wonderful and recently discovered examples of cosmic sound is in the very young universe, shortly after the Big Bang.
宇宙声音最奇妙且最近才被发现的例子之一，存在于非常年轻的宇宙中，即大爆炸后不久。
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Now, you may be wondering, how would we know that?
现在，你可能在想，我们怎么会知道这一点呢？
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Well, famously, as you look very far out into space, you also look back in time, simply because it takes time for the light to get to you.
嗯，众所周知，当你向遥远的太空望去时，你也在回顾过去，仅仅是因为光线到达你需要时间。
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