apohermion

名词 n.
中文释义

英文释义

名词 n.
  1. Apoapsis around Mercury. no-plural
    — MESSENGER is in an orbit of 80° inclination, with apohermion occurring in the southern hemisphere at 7.1 R_M (R_M is the radius of Mercury) and perihermion in the northern hemisphere at 1.1 R_M, and the orbital period is 12h.

词源

From apo- + hermeo- + -ion.
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