Which is the hottest planet in the Solar System ?

(1) Jupiter
(2) Saturn
(3) Venus
(4) Uranus

Correct Answer : (3) Venus is the hottest planet in the Solar System.

Explanation:

Mercury is the closest planet to the sun and the Venus is the second nearest planet to the Sun. But the atmosphere on Venus actually makes it hotter as it has the surface temperatures around 737 K (464 °C, or 867 °F).

The atmosphere of the Venus planet has the he carbon dioxide, about 95-96% of atmosphere. Energy does not escape back into the environment because of this kind of environment Because of this, Venus is the hottest planet in the Solar System. Even on the night side, the temperature doesn’t drop by much (comparatively) because of the carbon dioxide. Because of this, Venus is the hottest planet in the Solar System.

The atmospheric pressure of Venus is also about 90 times greater than that of Earth. Venus itself rotates only once every 243 Earth days.

The average temperature of Mercury is 167 degree Celsius. Though Mercury is the planet closest to the sun and therefore gets more direct sunlight, it’s not the hottest planet. It is the second hottest planet in the solar system. The range of temperature of the planet is -93 degree Celsius to 427 degree Celsius.

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Reference

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