Perihelion is a see also of periherm.
In context|astronomy|lang=en terms the difference between perihelion and periherm
is that perihelion is (astronomy) the point in the elliptical orbit of a planet or comet etc where it is nearest to the sun while periherm is (astronomy) in an orbit around the planet mercury, the point that is closest to mercury.
As nouns the difference between perihelion and periherm
is that perihelion is (astronomy) the point in the elliptical orbit of a planet or comet etc where it is nearest to the sun while periherm is (astronomy) in an orbit around the planet mercury, the point that is closest to mercury.
perihelion
English
Noun
(perihelia)
(astronomy) The point in the elliptical orbit of a planet or comet etc. where it is nearest to the Sun.
Antonyms
* aphelion
Related terms
* aphelion
* perigee
* apolune
* perilune
* periastron
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