Yogita ingle you are a teacher
According to Kepler’s first law,” All the planets revolve around the sun in elliptical orbits having the sun at one of the foci”.\xa0The point at which the planet is close to the sun is known as perihelion and the point at which the planet is farther from the sun is known as aphelion.Kepler’s second law states ” The radius vector drawn from the sun to the planet sweeps out equal areas in equal intervals of time”According to Kepler’s law of periods,” The square of the time period of revolution of a planet around the sun in an elliptical orbit is directly proportional to the cube of its semi-major axis”.T2\xa0∝ a3