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Mercury

Mercury

Planet0 moons

The smallest planet in our solar system and closest to the Sun. Mercury has extreme temperature variations due to its lack of atmosphere.

Diameter

4,879 km

Mass (Earth = 1)

0.055x

Temperature

167°C

Orbital Period

88 days

Surface Gravity

3.7 m/s²

Known Moons

0

Interesting Facts

  • 01

    A year on Mercury is just 88 Earth days

  • 02

    Mercury has the most extreme temperature swings (-180°C to 430°C)

  • 03

    Despite being closest to the Sun, it's not the hottest planet