Apparent star position thoda sa easy explain Karna
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Star position is the apparent location of any given star in the sky, which seems fixed onto an arbitrary sphere centered on Earth. The location is defined by a pair of angular coordinates relative to the celestial equator: right ascension (α) and declination (δ). This pair based the equatorial coordinate system
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The mean position of a star (relative to the observer's adopted coordinate system) can be calculated from its value at an arbitrary epoch, together with its actual motion over time (known as proper motion). The apparent position is its position as seen by a theoretical observer at the centre of the moving Earth.
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