1.

Define the kepllers law of planetary systems

Answer» Planets revolves around the sun in elliptical path.An ellipse has two foci so sun is at any one of its two foci.(plural for focus)Note : Sun is not at centre of its two foci as said by James bond .
Each planet relove arount the sun in an elptical orbital where sun is sun is stutied at center of two focus


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