在经典理论中，在黑洞的边界，即通常所称的事件穹界，光是不能逃逸的。
According to classical theory, at the boundary of a black hole-the so-called event horizon-light can no longer escape.
他们的计算显示崩塌恒星的事件穹界从来不会完全形成，或者至少对从远处观察黑洞的那位物理学家来说是不会完全形成的。
Their calculations suggest that the event horizon for collapsing stars never quite comes into existence, at least, not for the colleague watching from far away.
他们的计算显示崩塌恒星的事件穹界从来不会完全形成，或者至少对从远处观察黑洞的那位物理学家来说是不会完全形成的。
Their calculations suggest that the event horizon for collapsing stars never quite comes into existence, at least, not for the colleague watching from far away.
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