Question: are apogee and aphelion the same thing?
Answer: As nouns the difference between apogee and aphelion is that apogee is (astronomy) the point, in an orbit about the earth, that is furthest from the earth: the apoapsis of an earth orbiter while aphelion is (astronomy) the point in the elliptical orbit of a planet, comet, etc, where it is farthest from the sun.