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Functions of the Earth’s Exosphere Layer, What are the Characteristics It Has?

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The function of the exosphere layer as a layer of Earth’s atmosphere is of course very diverse. Every planet in this solar system has a layer of atmosphere that protects it from various threats, and Earth is no exception.

As the only planet with life on it, Earth is made up of several layers of the atmosphere. The existing layers have their respective roles.

This time we will discuss the exosphere which is also the outermost layer of the Earth’s atmosphere.

Also Read: Functions of the Earth’s Thermosphere Layer and Its Characteristics, What are it?

Getting to Know the Functions of the Earth’s Exosphere

The exosphere layer or which also has another name for the dissipasispheric layer or the interplanetary and geostationary space is rarely very far from the Earth’s surface.

The exosphere is the outermost layer of Earth’s atmosphere. This layer has very little gravity in it.

This makes the distance between the collisions in the air in the exosphere. Then, the gas droplets in this layer will also slowly escape.

In addition to the outermost layer, the exosphere is also the hottest layer due to the irregular movement of air particles. In this layer there are reflections of sunlight which are reflected meteoritic dust particles or known as zodiacal light.

Like other layers of the atmosphere, of course the exosphere also has its own benefits or functions. The main function of the exosphere, which is also the most striking, is to reflect sunlight.

The sunlight that this layer reflects is then known as the zodiacal sunlight. In addition, the function of the exosphere layer is also as the first layer that protects the Earth and is in contact with meteors, asteroids, and cosmic rays.

Also Read: The function of the Earth’s mantle and the parts in it, this is complete!

Characteristics of the Exosphere Lapisan

The outermost layer of the atmosphere has the following properties or characteristics:

  • Located in the outermost area which lies between an altitude of 800 to 1000 kilometers.
  • The place where the atomic motion is very irregular.
  • It becomes space between planets and is also geostationary because the gas grains will escape and there is less gravitational force.
  • It has a very low temperature, which is up to -57 degrees Celsius.
  • It has a thickness of 500 to 700 kilometers.
  • This layer has no air pressure at all, which is 0 cmHg
  • The exosphere is where dust leaves Earth’s atmosphere, and can even reach a height of up to 3,150 kilometers from the surface.

Also Read: Laurasia Gondwana Theory: How Was Earth’s Surface Formed?

Earth’s Exosphere Layer Boundary

As the outermost layer, it is definitely difficult to find the boundary between the ecosphere and outer space.

However, we can see the boundary by knowing the thickness of the exosphere. This layer of the atmosphere is very thick, with a thickness of about 500 to 700 kilometers.

The boundary of the exosphere layer does not have a special name like the other layers. This is because the exosphere is the outermost layer.

This exosphere layer has a boundary in the form of open space between planets. The air in this layer is also getting higher and thinner and disappears.

The definition and function of the exosphere layer is still rarely discussed because it is very far from the surface. Even so, this layer still plays an important role in protecting Earth from various outer space objects.

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