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Periherm vs Apoherm - What's the difference?

periherm | apoherm | Antonyms |

Apoherm is an antonym of periherm.

Periherm is an antonym of apoherm.


As nouns the difference between periherm and apoherm

is that periherm is (astronomy) in an orbit around the planet mercury, the point that is closest to mercury while apoherm is (astronomy) in an orbit around the planet mercury, the point that is most distant from mercury.

periherm

English

Noun

(en noun)
  • (astronomy) In an orbit around the planet Mercury, the point that is closest to Mercury.

    • Antonyms

    * (a point in an orbit around the planet Mercury) apoherm

    References

    *BepiColombo Mission

    See also

    * periapsis * perihelion * perigee

    apoherm

    English

    Noun

    (en noun)
  • (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

    References

    * BepiColombo Mission

    See also

    * apoapsis * aphelion * apogee