单词 | schwarzschild sphere |
释义 | > as lemmasSchwarzschild sphere Schwarzschild sphere n. the effective boundary or horizon of a Schwarzschild black hole, which infalling matter reaches in an infinite time as seen by an external observer but a finite time in the reference frame of the matter, and at which the escape velocity is infinite, so that the escape of matter or radiation from the inside is impossible except by a postulated quantum-mechanical process.extracted from Schwarzschildn.< as lemmas |
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