Discover the Unique Characteristics of Mercury in Our Solar System
Planet Mercury
Introduction
Mercury, the smallest planet in our solar system and the closest to the Sun, is named after the Roman messenger god known for speed and agility. It is one of the five planets visible to the naked eye from Earth.
Key Facts
- Diameter: 4,880 kilometers
- Orbit: 88 Earth days
- Surface temperature: -173°C to 427°C
- Atmosphere: Thin composition of hydrogen, helium, and trace amounts of oxygen
- Moons: None