An object approaching simple schwarzschild - type ( non - rotating ) black hole ' s center will appear to distant observers as having an increasingly slow descent as the object approaches the event horizon 接近簡單的史瓦西類型(非旋轉(zhuǎn))黑洞中心的物體將會對遠(yuǎn)距離的觀察者當(dāng)物體接近活動視界時候存在日益增加的慢降落。