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  • Supermassive Black Holes 超大质量黑洞 - 9

    Four times a year, Ghez focuses the telescope on the stars of the very heart of our Milky Way. She is looking for the telltale high speeds that reveal the presence of a black hole. The center of the M...

  • Supermassive Black Holes 超大质量黑洞 - 8

    In every galaxy scientists looked at, they found evidence for a supermassive black hole. NGC 3115 NGC 3377 NGC 3379 In M31 and M32 In total there is probably 20-30 or so black holes that have been fou...

  • Supermassive Black Holes 超大质量黑洞 - 7

    When it's feeding, a giant black hole creates a bright burning gas disk around it and then for some reason, it stops feeding, leaving a dark, deadly core lurking menacingly in the center of the galaxy...

  • Supermassive Black Holes 超大质量黑洞 - 6

    When the results came down from the telescope he saw something that was completely unexpected. The picture from the active galaxy where he hoped to find a black hole was unreadable. NGC 1068 was just...

  • Supermassive Black Holes 超大质量黑洞 - 5

    By measuring how fast these stars were moving, he could prove if there really was a black hole at the center of an active galaxy. I picked a galaxy nearby which is called NGC 1068, an active galaxy, w...

  • Supermassive Black Holes 超大质量黑洞 - 4

    This ferocious heart of brilliant hot gas is called a quasar. Scientists thought this whirling mass might be caused by a giant black hole sucking up gas and stars, literally feeding on the center of a...

  • Supermassive Black Holes 超大质量黑洞 - 3

    A supermassive black hole is quite simply gravity gone mad. An object of such concentrated matter its gravitational pull is insatiable. Nothing can escape it, not even light itself. Anything that gets...

  • Supermassive Black Holes 超大质量黑洞 - 2

    But we are just one in 125 billion galaxies of different shapes and sizes spinning through space. Yet scientists haven't been able to explain how a single one of these galaxies was created. Galaxy for...

  • Supermassive Black Holes 超大质量黑洞 - 1

    In March 2000, two astronomers made an extraordinary discovery, one that is set to overturn our understanding of how the universe formed. We're never going to see a time like this in astronomy again....

  • 有声英文阅读-黑洞

    Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we would normally use to describe a scientific phenomenon are inadequate here. Astronomers and scientist...

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