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Parallax   /pˈɛrəlˌæks/   Listen
Parallax

noun
1.
The apparent displacement of an object as seen from two different points that are not on a line with the object.



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"Parallax" Quotes from Famous Books



... processes. We see the rock strata bent and folded, we see the whole mountain-chains flexed and shortened by the flexure; but had we been present, we should not have suspected what was going on. Our little span of life does not give us the parallax necessary. The rock strata, miles thick, may be being flexed now under our feet, and we know it not. The earth is shrinking, but so slowly! When, under the slow strain, the strata suddenly give way or sink, and an earthquake results, then we know ...
— Time and Change • John Burroughs

... inference points, if we are careful to set the logical conditions with complete impartiality. But the ulterior question remains, whether, so far as science is concerned, it is here possible to point any inference at all: the whole orbit of human knowledge may be too narrow to afford a parallax for measurements so vast. Yet even here, if it be true that the voice of science must thus of necessity speak the language of agnosticism, at least let us see to it that the language is pure; let us not tolerate any barbarisms introduced from the side of aggressive ...
— Mind and Motion and Monism • George John Romanes

... periodical part. In both cases the motion may be either a reflex of the motion of the observer, and is then called parallactic motion, or it may be caused by a real motion of the star. From the parallactic motion of the star it is possible to deduce its distance from the sun, or its parallax. The periodic parallactic proper motion is caused by the motion of the earth around the sun, and gives the annual parallax ([pi]). In order to obtain available annual parallaxes of a star it is usually necessary for ...
— Lectures on Stellar Statistics • Carl Vilhelm Ludvig Charlier

... our lazy men, of whom there were too many. In calling us up he began with the A's, following down the class in alphabetic regularity. While Brooks was reciting, it was easy for Brown, sitting next, to open his book, and calculating narrowly the parallax, to hold it concealed below the rail, while he diligently conned the page following. In his turn he rose well-primed, and spouted glibly, and so on down the class. Rumour went that our childlike professor declared he had never known ...
— The Last Leaf - Observations, during Seventy-Five Years, of Men and Events in America - and Europe • James Kendall Hosmer

... to some intent of the Maker therein. Things, therefore, in his view are no longer empty and hollow like old cast-off shoes, but pieces of sublime design. A beetle is sustained by earth, air, fire, and water, needs the sun and the sea, winter and summer, earth's orbit and parallax, needs whatever has been made, to set him on his legs. He carries the world in little, and is a creeping ...
— The Atlantic Monthly, Vol. 13, No. 76, February, 1864 • Various



Words linked to "Parallax" :   optical phenomenon



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