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Why Venus and Mercury have no Moons?

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Channel: Science ABC
Categories: Astronomy   |   Science  
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Do you know all planets except for Mercury and Venus have moons? In fact, Earth is the only planet to have just one moon; remaining planets from Mars onward have multiple moons, with Saturn having as much as 82 moons! So when most of the planets are inundated moons, why do Venus and Mercury have no moons?

The moonlessness of Venus and Mercury is mostly attributed to their proximity to the sun. Being so close to the sun means that theyre not only exposed to a lot of hostile solar radiation, but also experience the intense gravitational pull of the massive star nearby. For Mercury, the planet is simply too close to the Sun and also too small to have any sustainable gravitational influence to secure a moon in orbit. As for Venus, its slow retrograde rotation makes it challenging for any moon to stay in its orbit.

#science #funfacts #moons


Music Credits:
Envato Elements/Space Travel by AlexanderRufire

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Envato Elements

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