Question

why is orbits of plants are elliptical?

Answer 1

Energy received by different parts of the earth from the sun and the movement of earth around the sun causes the Seasons like winter and summer. The main reason of the elliptical orbits are the causes of seasons here of taken example of earth but all the planets have the elliptical orbits as the revolution takes place the Seasons occur so that's the main reason for the elliptical orbit of the planets..

Answer 2

Kepler first discovered that planets are elliptical...it is the first law from his 3 laws of planetary motion...and newton proved it by mathematics..