Out of all the planets in our Solar System, which one takes the most time to complete one revolution around the Sun?
A
Uranus
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B
Neptune
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C
Jupiter
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D
Saturn
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Solution
The correct option is B Neptune Neptune, named after the ancient Roman god of sea, is the eight and the last planet from the Sun. Since, it is so far (4.5 billion km) from the Sun, its orbit takes the longest time of all the planets. It takes around 165 earth years for Neptune to finish one revolution around the Sun.