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Mercury does not have much of an atmosphere as its gravity is too weak to keep one. However it does have a very unstable tenuous one containing hydrogen, helium, oxygen, sodium, calcium and potassium.
So far, observations of Mercury from ground-based observers and the Mariner 10 spacecraft have not shown evidence of a significant atmosphere compared to other planets. Mariner 10 did observe a tiny amount of helium 1000 km above the surface, but this is probably caused by the solar wind and the breakdown of Mercury's crust. Sodium, potassium and oxygen have also been detected in Mercury's very weak atmosphere, but these elements can be lost when they react with the Sun and Mercury's magnetic field.
There are no living things on Mercury due to it's sustained high temperature.
Wiki User
∙ 6y ago
Wiki User
∙ 11y agoBasically there isn't one.
The sun's heat got rid of all the gasses and possible volatiles long ago,
the best you could even hope for is a trace of the heavier noble gasses
(such as radon).
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If the atmospheric pressure is 29.4 inches of mercury what is the corresponding pressure of mercury?
If the atmospheric pressure is 29.4 inches of mercury the corresponding inches of mercury is: 880.
What are mercury's atmospheric gases?
Hydrogen, Helium
What are the uses of a Mercury barometer?
A Mercury barometer is used to measure atmospheric pressure.
What do mercury barometer measure?
It measure the Atmospheric Pressure.
What the perssure on the planet mercury?
The atmospheric pressure is negligible.
What measures a barometer with Mercury?
Maybe you mean what does a mercury barometer measure. In which case the answer is atmospheric pressure.
When air pressure decreases the mercury in a barometer?
The mercury rises. The lower atmospheric pressure allows the mercury to drop in level.
Expressed in mm of mercury?
Pressure, in particular atmospheric pressure.
What are the uses of mercury barometers?
Mercury barometer is used for measuring atmospheric pressure.Because atmospheric pressure changes with distance above or below sea level, a barometer can also be used to measure altitude.Read more: Uses_of_mercury_barometer
What does the pressure units in weather mean?
It refers to the atmospheric pressure which, in this case, is measured in inches of Mercury on a mercury barometer
What is an open arm manometer?
It is a type of manometer, an object used to measure the pressure of different things, and the open armed manometer allows for the atmospheric pressure in the tube of the manometer. So the sample gas pressure pushes on the mercury that is already being pushed on by the atmospheric pressure. Then you add the atmospheric pressure to the change in the mercury (in mm) and that gives you your pressure. It's like a tire gauge.
What is a mercury barometer used for?
Mercury barometer is used for measuring atmospheric pressure. Because atmospheric pressure changes with distance above or below sea level, a barometer can also be used to measure altitude.
