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Which planet has the fastest orbital period around the Sun?
SpacePlanets
Quick Answer
Mercury has the shortest year of any planet in the Solar System, taking about 88 Earth days to orbit the Sun.
The Full Story
Mercury is the fastest planet in its orbit around the Sun, completing one revolution in about 88 Earth days. Because it is closest to the Sun, its orbital speed is the highest of the eight planets. This rapid orbit is why a Mercurian year is shorter than even three months on Earth. Despite its speed around the Sun, Mercury rotates very slowly on its axis compared with Earth. Its orbit helped inspire early astronomical studies of planetary motion.
Key Facts
1.One orbit in about 88 days
2.Closest planet to the Sun
3.Fastest orbital speed among planets
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Suggested video title for this topic:
"The solar system’s speediest planet races around the Sun in just 88 days."