• Question: are moons always smaller than planets they orbit

    Asked by Mad Scientist to wajiha, Rosie, Phil, Chris on 13 Jun 2017.
    • Photo: Rosie Cane

      Rosie Cane answered on 13 Jun 2017:

      Yes – moons are always smaller than the planet that they orbit. This is because of gravity, that force that brings you back down to the ground again when you jump up in the air. A moon always orbits around a planet rather than the other way around because a planet is a larger body has more gravity.

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