The shape of a planet's orbit is influenced by gravity. True False

For a planet to be in a stable circular orbit it must have a velocity which is *1 pointPerpendicular to its orbitTangential to its orbitGreater than the force of gravityLess than the force of gravity

In 3-5 sentences, explain how the shape of planetary orbits affects their orbital velocity. Include the proper law of planetary motion as part of your answer.

Every planet revolves around the sun in an elliptical orbit :A. The force acting on a planet is inversely proportional to square of distance from sun.B. Force acting on planet is inversely proportional to product of the masses of the planet and the sun.C. The centripetal force acting on the planet is directed away from the sun.D. The square of time period of revolution of planet around sun is directly proportional to cube of semi-major axis of elliptical orbit.Choose the correct answer from the options given below :A and D onlyC and D onlyB and C onlyA and C only

According to Einstein's Theory of General Relativity, the planets orbit the sun because _______.they are following a curvature of spacetime defined by the large mass of the suna magnetic force holds them in placethey are following a curvature of spacetime defined by the small mass of the Earththey are held in place by gravity

If a planet comes closer to the Sun, then the planet willA. orbit faster.B. orbit slower.C. fall into the Sun.D. keep moving with the same speed