Multiple choice

Which one of the planets has no moon?

  1. Mercury

  2. Earth

  3. Saturn

  4. Pluto

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

Mercury and Venus are the only planets in our solar system without natural satellites (moons). Earth has one moon, Saturn has 82+ moons, and Pluto (now classified as a dwarf planet) has 5 known moons.

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