the collapsed star is so dense that nothing can escape its gravitational pull, not even light 坍塌的星是如此的密集以致于没有什么能逃脱它的引力,甚至光也不能。
colliding black holes, collapsing stars, and spinning compact celestial objects such as pulsars create ripples in the fabric of space and time that subtly distort the world around us 黑洞碰撞、恒星坍缩以及自旋脉冲星所激起的时空结构波动,微妙的扭曲了我们周围的世界。