what is a parallax method
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To measure large distances, we use an important method called the parallax method.
If you look at a pencil held in front of your eyes against a fixed reference point on a plain wall, with your left eye, closing your right eye and then with your right eye, closing your eye you observe that the position of the pencil seems to change with respect to the fixed reference point on the wall. This is called parallax.
If you look at a pencil held in front of your eyes against a fixed reference point on a plain wall, with your left eye, closing your right eye and then with your right eye, closing your eye you observe that the position of the pencil seems to change with respect to the fixed reference point on the wall. This is called parallax.
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Explanation:
as the distance of a planet from the earth are very large, we cannot use two eyes method. in order to make simultaneous observation of an astronomical object, we select two distant point on the earth.
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