annual parallax
Britishnoun
Example Sentences
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Half of this major axis, or, what comes to the same thing, the angle which the radius of the earth's orbit subtends as seen from the star, is called the star's "annual parallax."
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
For these reasons Bradley had set up this instrument at Kew, to attempt the proof of the earth’s motion by observing the annual parallax of stars.
From History of Astronomy by George Forbes
In §22 I have paid attention to the now available catalogues of stars with known annual parallax.
From Lectures on Stellar Statistics by Carl Vilhelm Ludvig Charlier
It can further be demonstrated that these ellipses are really circles parallel to the ecliptic; so that we might hastily assume that annual parallax was the cause of the phenomenon discovered by Bradley.
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
William Herschel began his observations of double stars in the hope of discovering an annual parallax of the stars.
From History of Astronomy by George Forbes
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