Multiple choice general knowledge science & technology

Mercury's period of rotation ( on it's axis) is _______ Earth days

  1. 58.65

  2. 3

  3. 500

  4. 5000

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mercury rotates on its axis once every 58.65 Earth days, which is very slow compared to Earth's 24-hour rotation. This is due to Mercury's 3:2 spin-orbit resonance with the Sun.