Earth's atmosphere 4 billion years ago has been thought to have had a neutral oxidation state, and given estimates of the sun's energy output, the average surface temperature of Earth would have been near or below freezing for water.
Because Earth's atmosphere blocks much of this UV radiation, particularly at shorter wavelengths, observations are conducted using high-altitude balloons and orbiting telescopes equipped with specialized imaging sensors and filters for observing in the UV region of the EM spectrum.
However, temperature has a more complicated profile with altitude, and may remain relatively constant or even increase with altitude in some regions see the temperature section, below. In this way, Earth's atmosphere can be divided called atmospheric stratification into five main layers.
They create organic matter- the basis of human and animal power, are a source of oxygen in the Earth's atmosphere, which is necessary for the respiration of most organisms, ensures the circulation of substances in nature and have a large impact on the climate and soil.
冥王星の現在の大気は地球の初期の大気に似ている。
Pluto's present-day atmosphere is similar to the Earth's early atmosphere..
火星の現在の大気は地球のより100倍薄い。
The present atmosphere of Mars is 100 times thinner than Earth's.
If you had one teaspoon of ISM and one teaspoon of Earth's atmosphere, the second teaspoon would contain 100 trillion times more particles that 100 million million!
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