Function astro::planet::illum_frac_frm_dist [−] [src]

pub fn illum_frac_frm_dist(r: f64, delta: f64, R: f64) -> f64

Computes the illuminated fraction of a planet's disk from it's distance to the Sun and Earth

Returns

illum_frac: Illuminated fraction of the planet's disk

Arguments

r : Planet-Sun distance | in AU
delta: Planet-Earth distance | in AU
R : Sun-Earth distance | in AU

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