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Which planet has the slowest orbit around the Sun?

Quick Answer

Neptune has the longest year of the eight planets, taking about 165 Earth years to orbit the Sun once. It is the farthest recognized planet from the Sun.

The Full Story

Neptune moves through the Solar System at a slow pace because of its great distance from the Sun. One complete orbit takes about 165 Earth years. Since its discovery in 1846, Neptune has not even completed one full year. Its long orbit makes it the planet with the longest year in the Solar System.

Key Facts

1.Neptune's year is about 165 Earth years
2.Neptune was discovered in 1846
3.It is the farthest recognized planet from the Sun

YouTube Angle

Suggested video title for this topic:

"Neptune needs more than a human lifetime to complete one year."

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