diurnal parallax
Britishnoun
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012Example Sentences
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The stars have no diurnal parallax, because, owing to their great distance, the Earth’s radius does not subtend any measurable angle, but the radius of the Earth’s orbit, which is immensely larger, does, in the case of a few stars, subtend a very minute angle.
From Project Gutenberg
The stars are so distant that their positions are the same from whatever part of the earth they are seen; but attempts have been made to detect the amount of variation in their places, when observed from opposite points of the earth's orbit, the minute result of which is termed the annual parallax; and the former effect, due to the observer's station on our globe, is called the diurnal parallax.
From Project Gutenberg
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