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nounthe apparent displacement of an object as seen from two different points that are not on a line with the objecttype of:
Definition that contains parallax
- parsec a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
- horizontal parallax the maximum parallax observed when the celestial body is at the horizon
- diurnal parallax the parallax of a celestial body using two points on the surface of the earth as the earth rotates
- secpar a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years
- geocentric parallax the parallax of a celestial body using two points on the surface of the earth as the earth rotates
- stellar parallax the heliocentric parallax of a star
- annual parallax the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline
- heliocentric parallax the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline