different between apolune vs apastron

English

Etymology

From apo- (“far”) + Latin l?na (“moon”).

Noun

apolune (plural apolunes)

1. (astronomy) The point of an elliptical lunar orbit where the distance between the satellite and the Moon is at its maximum.

Synonyms

• apocynthion

Antonyms

• perilune

Hypernyms

• apoapsis
• apocenter

Related terms

• see apoapsis

Translations

See also

• Apsis on Wikipedia.Wikipedia

English

Etymology

From English apo- (prefix meaning ‘away from, separate’) + Ancient Greek ???????? (ástron, “fixed star”), modelled after aphelion. ??????? (Ástron) is derived from ?????? (ast?r, “celestial body (including a star, planet, meteor, etc.)”) (ultimately from Proto-Indo-European *h?eHs- (“to burn; to glow”)) + -?? (-on, suffix forming nominative, accusative and vocative singular nouns).

Pronunciation

• (Received Pronunciation) IPA^(key): /æ?pæst?(?)n/
• (General American) IPA^(key): /æ?pæst??n/, [?-]
• Hyphenation: ap?as?tron

Noun

apastron (plural apastrons or apastra)

1. (astronomy) The point of greatest separation between a celestial object and the star which it orbits.

   Antonym: periastron

Alternative forms

• apoastron

Hypernyms

• apoapsis

Coordinate terms

Translations

References

Further reading

• apsis on Wikipedia.Wikipedia

Anagrams

• Pastrano