The functions of the atmosphere are many and varied But to better understand its role, we are going to learn a little more about what is happening around our planet.
El planet earth in a ball of matter in fusion within space. The temperature that reigns in space is absolute zero, and the planet cools on a small surface, something like a lake whose waters would not be completely taken by ice. The heat of the center of the Earth it continually passes through the thin crust to escape into space. These are the tectonic reactions that cause earthquakes and volcanic eruptions.
These manifestations will only stop when all the excess heat resulting from the formation of the planet will be evacuated. The surface on which we live is the separation surface between the planet and space life, happily for us, there is an atmosphere that isolates us a bit.
Seeing the conditions that exist in the universe, we only support a very specialized environment.
The main functions of the atmosphere
All the temperatures in the galaxy range from -273 ° C to several million degrees, and we only support a range between -30 and 60º C positive. Radiation passing through the galaxy and they range from the smallest gamma radiation to the widest radio waves. We only support the smallest part of them, those that are above the ultraviolet, and always in not very large quantity.
We withstand a maximum of ten times the atmospheric pressure, above or below, and this does not allow us to go anywhere on the planet, and to a greater abundance in space, where the pressure is zero, or on very solid bodies where it is multiplied by 50 or by 100.
In fact, for our body to function normally, we need to meet these three conditions, heat, radiation and pressure, as well as a breathable atmosphere. The planet Earth It is the only one that we know, until today, that meets the necessary conditions for our way of life and that is due to the functions of the atmosphere.
The different layers of the atmosphere
Now that we know what the functions of the atmosphere are, let's see the layers that compose it.
Our atmosphere is divided into different layers depending on its chemical composition and its temperature. These combine to create a protective shield that maintains our energy balance essential for life on Earth.
The phenomena weather They occur in the layer closest to the sun, the troposphere. Airplanes fly in the stratosphere where the ozone layer is also found. Beyond that lies the coldest layer of the atmosphere, the mesosphere, where the helium-filled probes are sent. Finally, the thermosphere progressively disappears into the space.
Do you want to know more about planet Earth? Do not miss this article:
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