Respuesta :
Answer:
Meteors mostly burn up in the mesosphere, not the troposphere, due to increased air density and friction at lower altitudes. The troposphere contains more air particles, making it challenging for meteors to penetrate deeply before disintegrating from atmospheric drag and heat generated during entry.
Explanation:
Several factors contribute to the scarcity of meteors in the troposphere:
Atmospheric Drag: The troposphere is the lowest layer of Earth's atmosphere, and its denser air causes significant atmospheric drag. Meteors often disintegrate due to friction and heat generated during rapid entry.
Air Density: The troposphere contains a higher concentration of air particles compared to other atmospheric layers. This increased density makes it difficult for meteors to penetrate deeply, resulting in premature disintegration.
Velocity Loss: Meteors lose velocity as they encounter air resistance during descent. In the troposphere, this loss is more pronounced, further limiting their ability to reach lower altitudes before burning up.
Heating Effects: Atmospheric friction in the troposphere generates substantial heat. Meteors, especially smaller ones, may not withstand the intense heating, leading to their fragmentation before reaching lower altitudes.
Composition of Meteors: Some meteors may be composed of materials that are more susceptible to rapid combustion in the denser tropospheric air, reducing their likelihood of surviving the descent.These combined factors make the troposphere less conducive to meteor penetration and increase the chances of meteors burning up at higher altitudes.
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