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(Astronomy) See parallax2
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|Noun||1.||diurnal parallax - the parallax of a celestial body using two points on the surface of the earth as the earth rotates|
parallax - the apparent displacement of an object as seen from two different points that are not on a line with the object
horizontal parallax - the maximum parallax observed when the celestial body is at the horizon
solar parallax - the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit
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