Multiple choice general knowledge

Satellite closest to the parent planet

  1. Charon

  2. Enceladus

  3. Titan

  4. Phobos
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Phobos orbits Mars at an average distance of approximately 9,376 km from Mars' center, making it very close to its parent planet. Charon (Pluto's moon) orbits at about 19,591 km. Phobos is so close it completes about 3 orbits per Martian day.

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