aphelion

Nghĩa (Tiếng Anh)

The point in the elliptical orbit of a comet, planet, or other astronomical object, where it is farthest from the Sun.

Đối diện của
perihelion
Bản dịch

afeli

αφήλιο

Aphelium

afel

Sonnenferne

afelium

Phát âm là (IPA)
/əˈfiː.lɪ.ən/
Từ nguyên (Tiếng Anh)

From New Latin aphēlium (whence English aphelium, now displaced) + -ion (used in the names of other apsides). Aphelium was formed from Ancient Greek ἀπο- (apo-, prefix meaning ‘away, from, off’) + ἥλῐος (hḗlĭos, “the sun”) (ultimately from Proto-Indo-European *sóh₂wl̥ (“the sun”)), modelled after New Latin apogaeum (“apogee”). The plural form aphelia is from aphelion + -a (plural form of the suffix -on).

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