Pole star is very useful to the sailors. Why?

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Solution

Dear student

This is a stationary star also called Polaris.
Being fixed at one position, this star enables sailors to identify north direction as this star is directly above Earth's north pole.
This then allows sailors to identify all other directions.

regards

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Pole star is very useful to the sailors. Why?

Dear student This is a stationary star also called Polaris. Being fixed at one position, this star enables sailors to identify north direction as this star is directly above Earth's north pole. This then allows sailors to identify all other directions. regards

Dear student

This is a stationary star also called Polaris.
Being fixed at one position, this star enables sailors to identify north direction as this star is directly above Earth's north pole.
This then allows sailors to identify all other directions.

regards