Why is the planet Mercury so hot? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Students CBSE Exams.

Why is the planet Mercury so hot?

Mercury spins very slowly on its axis when it travels around the sun. This means that a point on its surface is exposed to the sun for almost six months (as on Earth) at a time. This makes surface temperatures on Mercury soar to 430 degrees Centigrade. Mercury is the planet which is closest to the sun as well as the fastest moving planet.

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