Question

The earth takes 1 year to make a complete revolution around the sun whereas Pluto takes nearly 248 of our earth years to orbit the sun; what is the main reason for this?​

Answer 1

Pluto takes about 248 earth years to complete one revolution around the Sun. Compared to other planets, Pluto's orbit is highly eccentric, so for a period of 20 years, out of its 248-year orbit, it is closer to the Sun than Neptune..

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Answer 2

As the distance between Pluto's orbit is longer it takes 248 years for one revolution