Neptune: The Planet with the Longest Orbital Period

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Neptune: The Planet with the Longest Orbital Period - Explained

The planet that takes the longest to orbit the Sun is Neptune.

Here's why:

* Kepler's Laws: Kepler's laws of planetary motion tell us that planets farther from the Sun take longer to complete an orbit. This is because they have a larger distance to cover and the Sun's gravitational pull is weaker at greater distances.

* Neptune's Orbit: Neptune is the eighth and farthest planet from the Sun. It takes approximately 165 Earth years to complete one orbit.

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