geocentric parallax

noun

Definition of geocentric parallax

: the difference in the apparent direction or position of a celestial body as observed from the center of the earth and from a point on the surface of the earth

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“Geocentric parallax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geocentric%20parallax. Accessed 16 Jan. 2021.

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