What is the mesosphere?

As well as the physical body of the Earth consists of many layers, the Earth's atmosphere is also made of layers. One of them is called the mesosphere. The literal translation is the "middle ball" because it is inserted between the main upper and lower layers of the atmosphere. The first layer is the troposphere, the second is the stratosphere, the mesosphere is third, then it is on top of the thermosphere and exosphere. The mesosphere starts approximately 30 miles (48.2 km) above the ground surface and extends to approximately 50 miles (80.4 km).

This layer is a place where most meteors burn. Although many believe that the lights caused by meteors are falling stars, they are actually small pieces of rock or metal that hit the Earth's atmosphere with extremely high speeds. The pressure created by this breaks meteors and causes energy transfer from the meteor to atoms and molecules in the atmosphere. This energy is then released as a "glow" that is Mistaken for falling stars.

the upper part of the mesosphere isThe coldest place in the atmosphere, with temperatures falling up to -225 ° F (about -143 ° C). Young temperatures cause the ice to form on the rock and metal particles in the atmosphere, which can then form the so -called noctilucent clouds. These clouds sit higher than any other clouds in the atmosphere and are only visible when the sun falls under the horizon, and then only near the polar width, in the summer months, when the mesosphere reaches its coldest temperatures.

Noctilucent clouds have a unique look similar to wool and in the evening sky they are illuminated by the sun. They have only been seen since the end of the 19th century, but the observation increases frequencies and is expected to grow in brightness. Scientists believe that they can indicate changes in the Earth's atmosphere, primally climate change.