Question

simple definition of atmosphere

Answer 1

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The atmosphere is the blanket of gases which surrounds Earth. It is held near the surface of the planet by Earth's gravitational attraction. Without the atmosphere there could be no life on Earth. The atmosphere: ... keeps the climate on Earth moderate compared to that of other planets.

Answer 2

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Answer,

• An atmosphere is a layer or a set of layers of gases surrounding a planet or other material body, that is held in place by the gravity of that body.

• An atmosphere is more likely to be retained if the gravity it is subject to is high and the temperature of the atmosphere is low.

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More Info,

Absorption spectrum

• The portions of the spectrum that are absorbed by atmospheric gases are known as absorption bands.

• The primary gases that are responsible for the majority of the atmospheric absorption of energy are water vapor, carbon dioxide, and ozone. Water Vapor (H2O): Very strong absorber in 5.5-7.0 μm range and > 27 μm.

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