英语听力：2013-10-25 地平线：黑洞吞噬—16To stare into the void of a black hole, to tumble through space before disappearing forever within i...时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-23 地平线：黑洞吞噬—15It's clear that it will come very close to the black hole, might even hit the black hole. So maybe w...时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-20 地平线：黑洞吞噬—14Instead, it seems to be a gas cloud moving at huge speeds right in the direction of the black hole. ...时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-18 地平线：黑洞吞噬—13It was a stunning discovery. After a quest lasting decade, Donald Lynden-Bell had been proved right....时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-16 地平线：黑洞吞噬—12If there's a black hole at the center of our galaxy, that's gonna force these objects that are reall...时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-13 地平线：黑洞吞噬—11Just as I arrived at UCLA with my first faculty position, everything was falling into place in terms...时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-11 地平线：黑洞吞噬—10It's like trying to pick out an individual inside the middle of a busy city, with lights and cars, a...时间：2014-02-18
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英语听力地平线黑洞吞噬
英语听力：2013-10-09 地平线：黑洞吞噬—9At last, astronomers had a map of our galaxy. A panorama of the Milky Way, it would never be possibl...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-10-06 地平线：黑洞吞噬—8But if you look carefully, stars aren't spread smoothly across the whole sky. They are gathered toge...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-10-04 地平线：黑洞吞噬—7It suggested a baffling paradox that quasars are really shining black holes, capable of emitting the...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-10-02 地平线：黑洞吞噬—6The mystery of what could count for the quasars' extraordinary brightness was the hot topic in astro...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-09-29 地平线：黑洞吞噬—5But that is not the only surprise. People began to realize that these tiny star-like things or they ...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-09-27 地平线：黑洞吞噬—4But if watching matter tumble over the edge of a black hole might now be possible, it is only becaus...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-09-25 地平线：黑洞吞噬—3Theres nothing anywhere near as extreme as a black hole. The disturbing truth about black holes is t...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-09-22 地平线：黑洞吞噬—2High above your head, in the centre of our Milky Way Galaxy, a violent drama is about to unfold. Our...时间：2014-02-17
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英语听力地平线黑洞吞噬
英语听力：2013-09-18 地平线：黑洞吞噬—1Nothing is more seductive than the unknown, nothing more compelling than a place of danger that lies...时间：2014-02-17
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英语听力地平线黑洞吞噬
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