Question

Why does mercury have such a dramatic different temperatures during the day and night

Answer 1

due to its rotation and lack of atmosphere

Step-by-step explanation:

during the day the temperature is so high that it could melt some metals and during the night the temperature drops well below freezing.

Answer 2

Mercury rotates slowly and has a thin atmosphere, and consequently, the night-side temperature can be more than 1,000 degrees Fahrenheit lower than the day-side temperature shown on the diagram. It can be as cold as -290 degrees Fahrenheit (-179 degrees Celsius) on Mercury at night.

Step-by-step explanation: