aponigricon

名词 n.

英文释义

名词 n.
  1. Apoapsis around a black hole. uncountable
    — Indeed, the speed of, say, S2 at perinigricon is as large as 2.6 per cent of the speed of light, while at aponigricon it is 0.1 per cent of c.

词源

From apo- + Latin niger (“black”) + -icon, alternative form of -ion.
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