GK
SOLAR SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mercury
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Venus
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Mars
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Earth
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Detailed explanation-1: -Of the terrestrial (rocky) planets of the inner solar system, neither Mercury nor Venus have any moons at all, Earth has one and Mars has its two small moons. In the outer solar system, the gas giants Jupiter and Saturn and the ice giants Uranus and Neptune have dozens of moons.
Detailed explanation-2: -By most counts, Jupiter has between 80 and 92 moons, but neither number captures the complexity of the Jovian system of moons, rings and asteroids. The giant planet commands thousands of small objects in its orbit.
Detailed explanation-3: -Currently, the leading theory for why the moon exists is that a Mars-sized planet collided with Earth in its infancy. This giant crash caused Earth to begin rotating at an extremely fast rate and eject debris into orbit. The orbiting material eventually melded together to form our moon.