different between aphelion vs apoherm

aphelion

English

Etymology

Greek form of Latin aphelium, from Ancient Greek ??? (apó, from) + ????? (h?lios, sun) (modelled after apogaeum). Compare perihelion.

Pronunciation

  • IPA(key): /??fi?l??n/, /æp?hi?l??n/

Noun

aphelion (plural aphelia or (deprecated) aphelions)

  1. (astronomy) The point in the elliptical orbit of a planet, comet, etc., where it is farthest from the Sun.

Antonyms

  • perihelion

Related terms

  • see apoapsis

Translations

Anagrams

  • Ophelian

aphelion From the web:

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apoherm

English

Etymology

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

Noun

apoherm (plural apoherms)

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

Antonyms

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

See also

  • apoapsis
  • aphelion
  • apogee

References

  • BepiColombo Mission [1]

Anagrams

  • morphea

apoherm From the web:

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