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what made keplar realise that planetary orbits are elliptical??

what made keplar realise that planetary orbits are elliptical??

Grade:11

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear araku

obital velocity which is derived by assumin that orbit is circular.

V=√GM/a  ,this should be always perpendicual to the line joining from the planet to sun and constant .but

it is not actual case.so from these kepler's made a conclusion that oribita are not cercular but eleptical.

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