sustantivo (plural aphelia /əˈfēlēə/ or aphelions)Astronomy
- This affects the climate because the influx of solar energy to our planet would then vary between perihelion and aphelion by a larger proportion than at present.
- This is because at aphelion the planet is moving slowest, and consequently it is less likely to pass across the Sun during the critical window.
- There are small cyclic variations in those apparent sizes because the Earth-Moon distance changes as the latter moves between perigee and apogee, and the Earth-Sun separation alters as the former moves between perihelion and aphelion.
Mid 17th century: alteration of modern Latin aphelium (by substitution of the Greek inflection -on), from Greek aph' hēlion 'from the sun'.
For editors and proofreaders
División en sílabas: a·phe·li·on
Definición de aphelion en:
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