Multiple Choice Questions on The period of one revolution of sun around the centre of galaxy is called ........ for PCS Exam Preparation

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Multiple Choice Questions

The period of one revolution of sun around the centre of galaxy is called ........

Geography and Environment (PCS) Space
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    The period of one revolution of sun around the centre of galaxy is called :

    Parsec

    Incorrect Answer

     Astronomical year

    Incorrect Answer

    Cosmic year 

    Correct Answer

    Light year

    Incorrect Answer
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    Explanation:

    The galactic year, also known as a cosmic year, is the duration of time required for the Sun to orbit once around the center of the Milky Way Galaxy. Estimates of the length of one orbit range from 225 to 250 million terrestrial years.

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