How will you 'weigh the sun', that is estimate its mass? The mean | Filo
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Class 11

Physics

Modern Physics

Gravitation

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How will you 'weigh the sun', that is estimate its mass? The mean orbital radius of the earth around the sun is .

Solution: Orbital radius of the Earth around the Sun,
Time taken by the Earth to complete one revolution around the Sun,

     

Universal gravitational constant,
Thus, mass of the Sun :
     

     
Hence, the mass of the Sun is
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