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> 在線聽力 > 英語高級(jí)聽力 > 英語聽力:探索與發(fā)現(xiàn) >  第270篇

英語聽力:黑洞吞噬—4

所屬教程:英語聽力:探索與發(fā)現(xiàn)

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2017年07月08日

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https://online2.tingclass.net/lesson/shi0529/0009/9895/270.mp3
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But if watching matter tumble over the edge of a black hole might now be possible, it is only because of the efforts of a generation of astronomers to wrestle these dark dragons of the cosmos into the realms of scientific reality.

As is often the case, it began with a series of observations that made no sense to anyone. A new generation of radio telescopes had come on stream on the 1950s that made it possible to see the universe in a completely different way. Almost immediately, they began to detect a series of strange,previously unseen sources of light. Nothing had ever been seen like them.

These things looked very different, very strange, much more powerful, much larger, and really different than sorts of galaxies and stars in our neighbourhood.

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