trigonometric parallax

noun

Definition of trigonometric parallax

: the direct measurement of the parallax or distance of a celestial body from a baseline of known length (as the earth's radius or the radius of its orbit) and the angles at the ends of the baseline giving reliable results for stars up to distances of about 100 light-years

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Learn More About trigonometric parallax

Dictionary Entries Near trigonometric parallax

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trigonometric parallax

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Cite this Entry

“Trigonometric parallax.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trigonometric%20parallax. Accessed 17 Oct. 2021.

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