why is mercury c0ld at night even throw it is so close to the sun
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Answer:
Mercury is the smallest and fastest planet in the solar system. It is also the closest planet to the sun. It is named after the Roman messenger god Mercury, the fastest Roman god. The planet Mercury was known by ancient people thousands of years ago. It has no moons.
The surface of Mercury looks much like Earth's moon. It has a lot of impact craters. Mercury has almost no atmosphere. Because it is so close to the sun, it can be very hot. On its sunny side, Mercury can reach a scorching 800 degrees Fahrenheit! (But Mercury is not the hottest planet in the solar system. The hottest planet is Venus.) On its dark side, Mercury gets very cold because it has almost no atmosphere to hold in heat and keep the surface warm. The temperature can drop down to minus 300 degrees Fahrenheit. The sunlight never reaches into the bottoms of some craters near Mercury's poles. That could mean that ice may be inside those craters because they always stay cold.
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