Mercury is not the hottest planet in the solar system despite sitting closest to the Sun, because Venus traps so much heat under its thick atmosphere that it stays hotter day and night.

Mercury is not the hottest planet in the solar system despite sitting closest to the Sun, because Venus traps so much heat under its thick atmosphere that it stays hotter day and night.

Venus is the hottest planet in the solar system, and it is not a close contest. The planet’s mean surface temperature sits at about 464 degrees Celsius, accor... Read More
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