Black Hole;
Circular Orbit;
Test Particle;
Stable Periodic Orbit;
Advanced Civilization;
D O I:
暂无
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摘要:
We consider test planet and photon orbits of the third kind inside a black hole (BH), which are stable, periodic and neither come out of the BH nor terminate at the singularity. Interiors of supermassive BHs may be inhabited by advanced civilizations living on planets with the third-kind orbits. In principle, one can get information from the interiors of BHs by observing their white hole counterparts.