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The annual average number of airplanes in the air can vary greatly depending on the time of day, day of the week, and season. However, on average, there are estimated to be around 9,700 planes airborne at any given time globally.
The average wattage for a window air conditioner is around 500-1,500 watts, while a central air conditioner can range from 3,000 to 5,000 watts. The specific wattage will depend on the size and efficiency of the unit.
The average lifespan of a rotary screw air compressor is typically around 10-15 years with proper maintenance and care. Factors such as usage, maintenance schedule, and operating conditions can affect the lifespan of the compressor.
Erm according to a website it's (as set by individual) an average of 12l/min
On average, a person weighs about 70 kg (154 lbs). To lift this weight, it would take approximately 70 cubic meters of helium at standard atmospheric pressure. This is a rough estimate and actual lifting capacity would depend on various factors like inflation pressure and volume.
The average air pressure in the exosphere is extremely low, near to a vacuum, typically less than 0.1 Pascal. At this altitude, the few particles present are very spread out, and there is an almost complete absence of molecules.
The air mass of the thermosphere about 15 cm. of air per inch!
earths average air pressure is 1013mb where as mars average air pressure is 7mb
northern lights here between exosphere and mesosphere gravity and air pressure decrease
http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/layers.html Exosphere That's the outer most layer in the atmosphere. It experiences very low pressures due to the weak gravity at such astronomically high altitudes, and thus the more massive and heavy gases are in levels of the atmosphere, such as the Troposphere.
The air in the thermosphere is very thin because of it's high altitude.
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The air pressure in the mesosphere is extremely low, typically less than 0.1% of the pressure at sea level. This region of the atmosphere is located between the stratosphere and thermosphere, with pressures decreasing significantly with altitude.
The mesosphere is a layer of the Earth's atmosphere located between the stratosphere and the thermosphere. It is composed mainly of air molecules, with a mass that varies depending on factors such as temperature and pressure. On average, the total mass of air in the mesosphere is approximately 0.1% of the mass of the entire atmosphere.
thermosphere
Troposphere: 101.3 kPa Stratosphere: 30.0 kPa Mesosphere: 0.3 kPa Thermosphere: 0.001 kPa
The layer of the Earth's atmosphere that fits this description is the thermosphere. In the thermosphere, there is little to no water vapor, the atmospheric pressure is less than 1.0 atmosphere, and the air temperature increases with altitude due to the absorption of solar radiation.