The orbit of Pluto is much more eccentric than the orbits of the other planets. That is, instead of
Channel: Doubtnut
Date: 2020-07-26

The orbit of Pluto is much more eccentric than the orbits of the other planets. That is, instead of being nearly circular, the orbit is noticeably elliptical. The point in the orbit nearest to the Sun is called the perihelion and the point farthest from the Sun is called the aphelion.   As Pluto moves from the perihelion to the aphelion, the work done by gravitational pull of Sun on Pluto is