why do planets have multiple moons or no moons at all instead of one like earth?
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Our moons formation seems to be unique compared to the rest of the solar system.
The Moons of the outer planets seem to be planetoids or smaller objects that were formed earlier in the solar system and were captured by the massive planets gravity.
Mars’ 2 moons are likely asteroids from the asteroid belt that were captured by Mars
While our moon was formed when a planet the size of mars struck the primitive earth. Material from this impact formed the moon.
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