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The atmospheric pressure on the moon is far less than 1.10-11 torr or mbar.
Earth: 2.5x1019 mol/cm3 (STP, 1 atm) Moon: ≈104 mol/cm3 day and ≈ 2x105 mol/cm3 night or approx. 10-14 of that found on Earth i.e. 10-14 torr.
Carrier, W.D., Olhoeft, G.R., and Mendell W. (1991). "Physical properties of the lunar surface." The Lunar Sourcebook. Heiken, V. and French, eds., Cambridge University Press, New York, Vol. 1, pp. 284 - 293.
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Why is the atmospheric pressure on moon is zero?
The atmospheric pressure on the moon is essentially zero because the moon does not have a significant atmosphere. Unlike Earth, which has a dense atmosphere that exerts pressure due to the weight of the air above us, the moon lacks this gaseous envelope and thus has almost no atmospheric pressure.
Why can't we suck a cold drink through a straw on the moon?
Sucking through a straw relies on atmospheric pressure to push the liquid up. In the airless environment of the moon, there is no atmospheric pressure to assist in the suction action, making it impossible to drink through a straw.
Why did astronauts need to wear space suits when they visited the moon?
There is no atomosphere or atmospheric pressure. Without atomspheric pressure the astronauts blood would boil.
What is a sentence with the word atmospheric pressure?
Atmospheric pressure
What happens to water closest to the moon?
Water on the surface of the moon will rapidly turn to water vapor as there is no atmospheric pressure on the moon. The vapor will then escape the moon's gravity which is much weaker than the gravity on Earth.
Why is the atmospheric pressure on moon is zero?
The atmospheric pressure on the moon is essentially zero because the moon does not have a significant atmosphere. Unlike Earth, which has a dense atmosphere that exerts pressure due to the weight of the air above us, the moon lacks this gaseous envelope and thus has almost no atmospheric pressure.
How high is the atmosphreic pressure on the moon?
The atmospheric pressure on the moon is nearly zero (effectively vacuum).
Is there more or less atmospheric pressure on the moon than the earth?
Less.
Why can't we suck a cold drink through a straw on the moon?
Sucking through a straw relies on atmospheric pressure to push the liquid up. In the airless environment of the moon, there is no atmospheric pressure to assist in the suction action, making it impossible to drink through a straw.
Would a balloon rise in the absence of atmospheric pressure?
No. On the moon they just fall. (But it sure would expand !)
Does gauge pressure include atmospheric pressure?
Yes, gauge pressure includes atmospheric pressure. Gauge pressure is the pressure measured above atmospheric pressure, so it accounts for the atmospheric pressure as a reference point.
What is the difference between gauge pressure and atmospheric pressure?
Gauge pressure is the pressure measured relative to atmospheric pressure, while atmospheric pressure is the pressure exerted by the Earth's atmosphere on a surface. Gauge pressure accounts for atmospheric pressure, while atmospheric pressure is the total pressure exerted by the atmosphere.
What is an atmospheric tide?
An atmospheric tide is a collective name for the pressure waves in the atmosphere similar to the tides of the ocean produced by the gravitational influence of the moon and by thermal expansion and contraction.
Why did astronauts need to wear space suits when they visited the moon?
There is no atomosphere or atmospheric pressure. Without atomspheric pressure the astronauts blood would boil.
What is a sentence with the word atmospheric pressure?
Atmospheric pressure
What happens to water closest to the moon?
Water on the surface of the moon will rapidly turn to water vapor as there is no atmospheric pressure on the moon. The vapor will then escape the moon's gravity which is much weaker than the gravity on Earth.
Would a balloon rise in an atmosphere where the pressure was somehow the same at all altitudes Would a balloon rise in the complete absence of atmospheric pressure such as on the surface of the moon?
No
