Question

What is parallax method

Answer 1

Parallax is a displacement or difference in the apparent position of an object viewed along two different lines of sight, and is measured by the angle or semi-angle of inclination between those two lines. The term is derived from Ancient Greek παράλλαξις, meaning 'alternation'. 

Answer 2

Parallax method:

Large distances, such as the distance of a planet or a star from the Earth cannot be measured directly with the metre scale, so a Parallax method is used for it.

Parallax is defined as the apparent change in the position of an object due to a change in the position of the observer.

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