What happens to the precessionrate if the orbit around a black hole is made nearly as small as possible, i. e. a slight elongation of the innermost stable circular orbit?
如果将围绕黑洞的轨道调至尽可能的小（即轻微拉长最内层的稳定圆形轨道），对岁差率有何改变？
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The rotation of the Earth includes precession, nutation, variations of the rotation rate and polar motion.