heliocentric parallax

noun

Definition of heliocentric parallax

: the parallax of a celestial body measured with the earth's orbit around the sun as a baseline : the angle subtended at the celestial body by the radius of the earth's orbit

called also annual parallax, stellar parallax

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“Heliocentric parallax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heliocentric%20parallax. Accessed 21 Oct. 2020.

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