explain parallex method
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parallax method is used
by astronomers to find the distance to nearest stars.
Same star is viewed from two places at time difference of 6 months. Earth travels around 300 million kilometers i n 6 months..We will see the position of star have shifted by parallax.
Now the angle is measured and we know the base of triangle as 300 million kilometers
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Very large distance like distance between earth and moon which cannot be measured by directly by metre-scale or measuring tape. In such condition parallex method is used.
In this method, a planet Park is observed similtaneously from two distinct place A and B. The angle APB is measured, if AB= b and s=AP=BP is the distance of the planet from the surface of earth,
Angle APB= b/s.
In this method, a planet Park is observed similtaneously from two distinct place A and B. The angle APB is measured, if AB= b and s=AP=BP is the distance of the planet from the surface of earth,
Angle APB= b/s.
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