Question

A planet revolves around a massive star in a highly elliptical orbit. Does it's angular momentum remains constant over the entire orbit?

Answer 1

NO , ITS ANGULAR MOMENTUM IS CHANGING....

THIS IS BECAUSE ORBIT IS ELLIPTICAL IN SHAPE. .

ANGULAR MOMENTUM OF AN ORBIT CAN BE CONSTANT ...IF ITS SHAPE IS CIRCULAR...


HOPE YOU LIKE IT ..

Answer 2

Answer:

A planet revolves around a massive star in a highly elliptical orbit, it's angular momentum remains constant over the entire orbit because the external torque is zero and the revolution of the planets around the star is under the effect of gravitational force.