The radiation emitted by the Earth peaks around 10 microns, whereas that from the sun peaks under 1 micron. This is why Earth's radiation is referred to as longwave and solar radiation as shortwave, commonly.
All objects emit radiation because all objects have a temperature. In fact, using Wien's Law you can very simply calculate the wavelength, lambda, of maximum emission:
lamda(max) = c/T
where c is a constant (2897) and T is the temperature of the emitting surface in Kelvin.
The shortwave radiation from the Sun is, sometimes but not always, reflected off the tops off clouds and back into space while the emitted long-wave radiation transfered back into space.
Yes, due to its lower temperature.
no
In fact, radiations are reflected by earth but not emitted.
By radiation: mainly in the infrared wavelengths.
water vapor
water vapor
Electromagnetic energy from the Sun crosses the interplanetary void in about 8 minutes to reach Earth. The energy reaches us as electromagnetic radiation in a very wide range of wavelengths. Some of these wavelengths can be sensed directly by humans as heat and light. Some wavelengths (frequencies) are transformed by interaction with matter into other wavelengths that interact with the hydrosphere, biosphere, etc. to make life on Earth possible.
Longer than those emitted by the Sun
they are longer than those emitted by the sun.
they are longer than those emitted by the sun.
In fact, radiations are reflected by earth but not emitted.
because they do not go to the same direction e.g the short-wave radiation heats the earth and the long-wave radiation heats the atmosphere.
Yes, they are longer. Longer wavelengths are lower energy.
Only the sun emits radiation in the wavelengths of visible light, which is considerably higher energy than infrared emitted by Earth.
no
Terrestrial radiation refers to heat emitted from the earth's atmosphere and surface.
The Earth emits thermal radiation of a much lower intensity in the infrared rather than visible region . The wavelength of infrared rays is around 10^-6 meter.
The radiant entergy emitted by Earth
From the surface. Solar radiation is absorbed by the surface and emitted at a longer wavelength, which is essentially heat.