Hello readers today in science we are learning about mercury and why it has only a little bit of atmosphere.
The reason why there is no atmosphere on mercury because it is to close to the sun so it burns the atmosphere and it is also too small to have an atmosphere. Mercury is 57.707 million km away from the sun when Earth is 157.21 million km away from the sun.
Mercury mass is 3.285 x 10^23 kg when earth mass is 5.972 x 10^24 kg. Without an atmosphere to retain the heat at night and mercury is nearly the same size as our moon.
Mercury not having an Atmosphere affects the temperature because no atmosphere does not trap al the hot air in so that is why it is always cold.
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