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Yes, and it stays put because the force of the Earth's gravity is stronger than the velocity that air molecules gain from temperature increases. Only the lightest molecules (hydrogen and helium) are lost to space again.

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Q: Is The earth's atmosphere held down to the surface by gravity?
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What happens to objects that enter the earths atmosphere?

the objects which enter the earths atmosphere are being pulled down towards the earths surface due to the earths gravity. And so it leads to falling falling of large objects from the space on the surface of the earth.


Where does gravity pull people and objects?

On the earths surface gravity pulls you down.


Why air pressure from earths atmosphere is not the cause of gravity?

Gravity is an entirely separate entity which is a consequence only of the mass of the earth itself. In fact, the atmosphere presses down because gravity is pulling on it.


On earths surface how much force does the pull of gravity have on 1 kilogram of mass?

9.8 newtons, down


When you push UP on an object when object is stationary on earths surface you increase your weight when you push DOWN on an object when object is stationary on earths surface you decrease your weight?

No, your weight is just the acceleration due to the Earth's gravity,


What would happen if the space station stop moving sideways?

Earth's Gravity would pull it straight down to the Earths Surface.


What would happen to the International Space Station if it were not moving sideways?

Earth's Gravity would pull it straight down to earths surface.


How does air help shape the Earth?

the wind causes erosion, carrying the soil to any place on earth, dropping it onto any surface, thus controlling the earth's surface.


When earths regions of earths surface sinks down what is it called?

Subsidence.


How does wind and water alter the Earths surface?

Wind and water and frozen water are the main contributors to the weathering and erosion of the surface of the Earth. Along with gravity, these agents wear down elevated surface features and fill in depressed surface features.


How does gravity affect an object in motion?

it pulls the object towards the earth which kind of slows it down i guess. or is that friction? For an object travelling in the Earths atmosphere, or near to the Earth above the atmosphere, gravity provides a force pulling the object towards the centre of the Earth. Unless the object is travelling fast enough, what is called the escape velocity, this gravity force will ultimately cause the object to fall back to the surface. Friction is something else, the friction with the air in the atmosphere also slows the object, but this force acts in opposition to the direction of motion, not towards the Earths centre. To compute the trajectory of the object you need to take both forces into account.


Why doesn't gravity flatten the atmosphere against Earth's surface?

It does, actually. Gravity pulls down on the atmosphere (otherwise it would spin off into space from centripetal force). That is why at sea level, the atmospheric pressure is about 15 pounds per square inch; but the higher you get, the thinner the air is. Here is something interesting (and kind of on the same subject) when Pluto is at Aphelion it's atmosphere becomes a solid and gravity pulls it to the surface.