Which planet is the hottest planet of the Solar System?
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Mars
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Mercury
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Saturn
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Venus
D
Correct answer
Explanation
Venus is the hottest planet in the solar system with surface temperatures around 462°C (864°F), hotter than Mercury despite being farther from the Sun. This is due to Venus's extreme greenhouse effect from its thick carbon dioxide atmosphere. Mercury's maximum temperature reaches only about 430°C because it has no atmosphere to retain heat.