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How heavy is the Earth's atmosphere?
Researchers calculate that Earth's atmosphere weighs about 5.15 x 10^18 kg, nearly a billion times more than the Great Pyramid of Giza.
Air Pressure
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Articles about Air Pressure
27 published items.
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Why can soap bubbles explode?
Water evaporates from the covering membrane, causing soap bubbles to explode even when no external forces are present.
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Why can heavy aircraft fly like birds?
The largest commercial aircraft in the world can weigh up to under 500 tons, while the largest bird that can fly currently has a body weight of only about 16kg.
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What will happen if the Earth ... is twice as big as it is today?
With the densely populated population, there must be many people who wish that the size of the Earth could increase.
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Why does the plane window have a small hole?
The small hole in the airplane window helps maintain the air pressure at a safe level inside the cabin, while escaping the steam so the window is not dimmed.
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NASA engineers demonstrate the effect of turning sand into water
Mark Rober, a former NASA engineer, demonstrates the fluidized effect of air pressure on the sand in the video that attracts more than 5.7 million views on YouTube, acco…
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How are clouds formed?
The clouds in the sky are sometimes high and the clouds are higher than 10km, the clouds are low and some tens of meters.
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You absolutely should not do this on the plane if you do not want to meet
The fact that you pump too much of a sleepy pillow on an airplane may cause you trouble!
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There is easily squeezed broken shell eggs?
You may think that it is childish! Don't be hasty, though thin, but the shell of a regular egg is not too svelte. Want to break by squeezing its pointed ends into the pa…
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Where does the oxygen for the oxygen mask really come from?
Oxygen masks on the aircraft will be dropped automatically if the cabin suddenly loses air pressure and helps passengers breathe in a few minutes.
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The source of the bewildering knock on Chinese spacecraft
The mysterious knock on the surface of the spacecraft that has caused veteran astronauts to panic is not caused by aliens but the result of a change in air pressure.
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Air turbulence while flying is not as scary as you think
If you ever fly, surely you have experienced the effects of air turbulence: it is a sudden shake of the plane when taking off and landing, moving in different directions.
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Why don't aircraft tires explode when landing?
Thanks to such extraordinary durable tires, each flight becomes safer.
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The gravity of the Moon changes the rainfall on Earth
The latest research shows that when the Moon is at its highest position every night, the gravitational pull from this satellite can reduce rainfall on Earth.
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Why do we often 'fart' more when we fly?
Let's find out what causes many people to 'deflate',