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提醒：Wired: Science
【标题】Odd Black Hole Is Last Survivor of Its Galaxy
【摘要】image: nasa, esa and s. farrell (university of sydney, australia, and university of leicester, u.k.)the hubble space telescope has spotted a supermassive black hole floating on the outskirts of a large galaxy.the location is odd because black holes of this size generally form in the centers of galaxies, not at their edges. this suggests the black hole is the lone survivor of a now-disintegrated dwarf galaxy.the black hole — named hlx-1 — is 20,000 times more massive than the sun, and is situa... (02-16 17:02)
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