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Thesaurus: solar parallax

the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit

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  1. n. the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit
  2. The parallax of the sun, that is, the angle subtended at the sun by the semidiameter of the earth. It is 8."80, and is the fundamental datum.
  3. The parallax of the sun, that is, the angle subtended at thesun by the semidiameter of the earth. It is 8."80, and is thefundamental datum.