Which Planet is Closest to the Sun?

By BYJU'S Exam Prep

Updated on: September 13th, 2023

The planet Mercury is nearest to the sun. More quickly than any other planet in the solar system, it spins around the sun. The smallest planet is also the one nearest to the sun. There is no moon on this tiniest of planets. Compared to the other planets, Mercury orbits around the sun more quickly. It is about half as far from the Sun as Venus is and about a third of the distance between the Sun and the Earth. Mercury is 57.9 million kilometers from the Sun, Venus is 108.2, and Earth is 149.6 million kilometers away.


Which Planet is Closest to the Sun?

More quickly than any other planet in the solar system, Mercury revolves around the sun. Mercury is the smallest planet in our solar system and nearest to the sun. The small planet, named after the Romans’ lightning-quick messenger god, has no moon and orbits the sun faster than any other planet.

Is Mercury the Hottest Planet?

The hottest planet in the solar system is Venus. Despite being nearest to the Sun, Mercury’s surface has a far lower average temperature than Venus. This is due to Mercury having almost no atmosphere, which causes its surface to reach 430 degrees Celsius while facing the sun and -180 degrees Celsius when facing away from it. This comes out to roughly 167 degrees C on average. Mercury temperature can reach up to 800 degrees Fahrenheit!

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