annual parallax
Britishnoun
Example Sentences
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The seventh and eighth columns give the annual parallax and the corresponding distance expressed in siriometers.
From Lectures on Stellar Statistics by Charlier, Carl Vilhelm Ludvig
German astronomers, Seeliger and others, have long used a stellar unit of distance corresponding to an annual parallax of 0″.2, which has been called a “Siriusweite”.
From Lectures on Stellar Statistics by Charlier, Carl Vilhelm Ludvig
The annual parallax of a star is the angle under which one would see the radius, or half-diameter, of the terrestrial orbit from it.
From Astronomy for Amateurs by Welby, Frances A. (Frances Alice)
Hence, of all the stars in the Pleiades these are the most likely to have a measurable annual parallax.
From Scientific American Supplement, No. 623, December 10, 1887 by Various
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 Ball, Robert S. (Robert Stawell), Sir
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