An Etymological Dictionary of Astronomy and Astrophysics

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parallactic ellipse

بیضی ِ دیدگشت

beyzi-ye didgašt

Fr.: ellipse de parallaxe

The path on the sky of the apparent position of a star as seen from the Earth, due to the Earth's annual motion around the Sun.

An Etymological Dictionary of Astronomy and Astrophysics
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