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Why did it take astronomers until 1838 to measure the parallax of the stars?

April 26, 2017astronomers Astronomy Mathematics measure parallax stars

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Why did it take astronomers until 1838 to measure the parallax of the stars?

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It was not just a case of the lack of a telescope, as the telescope had been around for 200 years. A star’s parallax movement is so small that the tiniest vibration in the instrument, the observatory, the atmosphere makes it impossible to detect.