☿️ Mercury

About Mercury

Mercury is the smallest planet in our Solar System and the closest to the Sun. It's a rocky planet with a heavily cratered surface similar to our Moon.

🌟 Key Facts

• Type: Terrestrial (rocky) planet
• Distance from Sun: 57.9 million km
• Diameter: 4,879 km (38% of Earth)
• Orbital Period: 88 Earth days
• Day Length: 59 Earth days
• Surface Temperature: -173°C to 427°C
• Moons: 0

💡 Interesting Facts

• Mercury has the most extreme temperature variations
• Named after the Roman messenger god
• One day on Mercury is longer than one year!
• Has a large iron core (75% of planet diameter)
• Surface is covered with impact craters
• No atmosphere to protect from meteorites
• Caloris Basin crater is 1,550 km wide