apoherm

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English[edit]

Etymology[edit]

From Ancient Greek ἀπό (apó, away) + Ἑρμῆς (Hermês, Hermes/Mercury, messenger of the gods)

Noun[edit]

apoherm (plural apoherms)

  1. (astronomy) In an orbit around the planet Mercury, the point that is most distant from Mercury.

Antonyms[edit]

  • (a point in an orbit around the planet Mercury): periherm

References[edit]

  • BepiColombo Mission [[1]]

See also[edit]