彭罗斯认为，这些圆圈是将以前的宇宙窗，留下的碰撞在前面的宇宙黑洞的引力效应背后的球形涟漪。
Penrose believes these circles are windows into the previous universe, spherical ripples left behind by the gravitational effects of colliding black holes in the previous universe.
我真正感兴趣的是宇宙的起源、时空的形状和黑洞的性质。
What I do find interesting is the origin of the universe, the shape of space-time and the nature of black holes.
最近的发现有力地支持了这样一种理论，即银河系中心，和宇宙中估计存在的1000亿个其他星系中的许多里有一个黑洞。
Recent findings lend strong support to the theory that a black hole lies at the center of the Milky Way and of many of the 100 billion other galaxies estimated to exist in the universe.
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