在它的事件视界,即其边界,没有任何东西可以逃脱这头巨兽的引力,甚至连光也不行。 其引力相当于位于我们太阳系最外层行星轨道的海王星的四倍。
Its event horizon--theboundary at which nothing, not even light, can escape the monster’s gravitationalpull--is four times as large as the orbit of Neptune,our sun’s outermost planetary satellite.
在它的事件视界,即其边界,没有任何东西可以逃脱这头巨兽的引力,甚至连光也不行。 其引力相当于位于我们太阳系最外层行星轨道的海王星的四倍。
Its event horizon--theboundary at which nothing, not even light, can escape the monster’s gravitationalpull--is four times as large as the orbit of Neptune,our sun’s outermost planetary satellite.
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