Which of the following is the smallest planet in our Solar System?

A ) Venus

B ) Mercury ✅

C ) Neptune

D ) Uranus


Explanation:

✅ Mercury – Key Facts for Competitive Exams 

📌 Basic Information :

  • ✅ Smallest planet in the Solar System 🌍
  • ✅ Closest planet to the Sun ☀️
  • ✅ No moons or rings 🌑
  • ✅ Surface: Rocky and cratered (like the Moon)
  • ✅ Atmosphere: Very thin (almost none)
  • ✅ Temperature: Extremely hot during the day, freezing at night
  • ✅ Rotation period: 59 Earth days
  • ✅ Revolution period (around Sun): 88 Earth days .