Discuss measurement of length by Parallax method.
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Parallax is the displacement or the change in the apparent position of the object when viewed from two different points of view. ... Astronomers regularly use the parallax method to measure the distances of the closer stars.
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astronomers estimate the distance of nearby object in space by using a method called steller Parallax,or trigonometry parallax. simply put, they measure a star's apparent movement against the background of more distance stars as Eath revols around the sun
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