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

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

Computes a planet's phase angle

Returns

phase_angl: Phase angle of the planet | in radians

Arguments

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

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