Question:
Why has moon very cold and very high temperature variations, e.g., from $-190^{\circ} \mathrm{C}$ to $110^{\circ} \mathrm{C}$ even though it is at the same distance from the sun as the earth is? (CCE 2012)
Solution:
Moon does not possess atomosphere. Atmosphere being a bad conductor acts as a temperature buffer on earth. This is not so on the moon. Therefore, moon gets heated up as the sun rays fall on its surface. It cools down drastically when there is no sunlight.
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