What the atmospheric of mercury?

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Mercury's atmosphere contains small amounts of hydrogen, helium, and oxygen. It also has even tinier amounts of sodium, potassium, calcium, and magnesium. Some of the gas particles come from the solar wind. Others are made by radioactive decay or when micrometeorites smash into the surface.
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Does Mercury have an atmosphere?

Mercury does not have what we would call an atmosphere. It is very, very thin , a collection of a few atoms per cubic meter, some being ionized from the surface. It is less th

What is mercurys atmosphere?

it is made of small amounts hydrogen helium and oxygen. it has almost no atmosphere because of the planets gravity.

Why does Mercury have no atmosphere?

It is much smaller than Earth, so has less gravity to hold an atmosphere. Also, its nearness to the Sun means that many molecules have been blasted away by the solar winds (st

Is there an atmosphere on Mercury?

Yes, but it is incredibly shallow and thin. It is a collection of molecules near the surface, most ionized by the Sun's radiation. (see related question)

Why is there no atmosphere in Mercury?

There is no atmosphere in Mercury due to the the combination of twofactors: 1) Due to the high average temperature on Mercury makes individualmolecules of the atmosphere move