a line between a planets and the sun sweeps out two equal areas at different places as it moves along it's orbits which factor remains constant as this happen

Answer 1

The factor that remains constant as a line between a planet and the sun sweeps out equal areas in equal times is the angular momentum of the planet. This principle is part of Kepler's Second Law, also known as the Law of Areas, which states that a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time. This implies that the planet moves faster when it is closer to the Sun and slower when it is farther away, while its angular momentum remains constant throughout its orbit, assuming that the only significant gravitational force acting is that of the Sun.