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The atmosphere and clouds directly absorb about20 percent of the solar radiation that strikes earth How does the sun indirectly warm the atmosphere?
Earth's land and sea absorb solar radiation, then reradiate it to the air
Can infrared light get through Earth's atmosphere?
Yes, some of it can. Infrared radiation is trapped by greenhouse gases, but not all of it is trapped. These gases only trap radiation in very specific parts of the electromagnetic spectrum, so there are "windows" where it can escape.
Why does the wavelength response of the humans eye match so well with the visual window of Earth's atmosphere?
The human eye's sensitivity to wavelengths in the visual window of Earth's atmosphere is due to evolution adaptations during the development of the human eye. If infrared radiation were in abundance, then it is believed our eyes would be sensitive to infrared radiation.
What causes the temperature to decrease when the sun is out?
The atmosphere is actually heated by the earth, not by the sun directly. Visible light passes through the atmosphere and strikes the surface of the earth, and thus warms the surface layer of the earth. The atmosphere is mostly transparent to visible light, meaning the light does not absorb visible light, and is therefore not heated by visible light. As the surface of the earth warms up, it radiates low intensity infrared radiation, which is not transparent to the atmosphere, and so the atmosphere absorbs the infrared radiation, and warms up. The air closest to the surface of the earth absorbs most of the infrared radiation, and is therefore warmer than air at a higher altitude. In fact, above about 10 km, the temperature starts to increase again due to the presence of the ozone layer. This absorbs solar ultraviolet radiation which leads to heating.
The majority of the sun's radiation output occurs as?
Infrared radiation
What do greenhouse gases in the atmosphere absorb and retain?
Greenhouse gases in the atmosphere absorb and retain infrared radiation (heat) from the surface of the earth.
What gases in the atmosphere absorb infrared radiation and Which gases absorb ultraviolet?
Some of the gases found in our atmosphere which absorb infrared light are: carbon dioxide, methane, and water vapor. Gases found in our atmosphere which absorb ultraviolet light are ozone (O3) and oxygen gas (O2).
Do all molecules absorb infrared radiation?
No all molecules do not absorb infrared radiation. Some of them do.
What does carbon dioxide and water vapor absorb?
infrared radiation
What would happen if gases absorbs visible light?
Earth's atmosphere does have greenhouse gases. These gases absorb some of the infrared radiation emitted by Earth's surface. If it did not, Earth would grow warmer and warmer as it absorbed more and more solar radiation. Greenhouse gas molecules absorb and emit infrared radiation.
What are Two ways gases can affect radiation?
Gases absorb radiation and some is absorbed in the atmosphere :)
Is the infrared radiation almost invisible for the atmosphere?
== ==
What does water absorb?
IR Radiation otherwise known as Infrared Radiation or heat energy
Do hot objects absorb infrared radiation?
All objects emit (give out) and absorb (take in) thermal radiation, which is also called infrared radiation. The hotter an object is, the more infrared radiation it emits. However; the hotter an object, the faster it will emit infrared radiation. Even though hotter objects can absorb infrared radiation, they will continue to emit infrared radiation much faster than they absorb it from any colder objects / sources around them, until an equilibrium is achieved with the objects surroundings i.e. it is always an antagonistic relationship with the objects surroundings and the surroundings with the object.
Which layer of the atmosphere does not absorb solar radiation?
Troposphere does not absorb solar radiation. All other layers do not absorb.
What dangerous radiation does the atmosphere absorb?
The atmosphere absorb UV radiations. They are absorbed by ozone layer.
What are the gasses?
Greenhouse gasses are gases in the atmosphere that absorb, and that emit radiation within the thermal infrared range. Greenhouse Gases in the atmosphere include water vapor, carbon dioxide, methane, and nitrous oxide.
