In astrophysics, a white hole is a postulated celestial body that spews out matter, in other words an anti-black hole, or the time reversal of a black hole.
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- 在天体物理学中,白洞是一个假定向外喷吐物质的天体,换句话说就是一个反黑洞,或时间逆向流动的洞。