The Origin and Journey of Solar Radiation Deep within the sun, nuclear fusion reactions convert hydrogen into helium, releasing an immense amount of energy in the form of gamma rays. High-energy ultraviolet (UV) radiation, for instance, is largely absorbed by ozone in the stratosphere, protecting life on the surface from its harmful effects.
Understanding Diffuse Sky Radiation and Solar Transfer
Absorption occurs when the material’s atoms absorb the photon’s energy, causing molecules to vibrate more rapidly. Dark-colored surfaces, such as asphalt or forests, absorb a greater portion of incoming radiation, while light-colored surfaces, like snow or sand, reflect more.
This fundamental property of light dictates how energy is distributed across the planet, influencing climate zones and seasonal variations. When a photon strikes a surface, it can be reflected, transmitted, or absorbed.
Understanding Diffuse Sky Radiation and Solar Absorption
Some infrared radiation is captured by greenhouse gases like water vapor and carbon dioxide, a natural process that keeps the planet warm enough to support life. This process, known as radiative transfer, requires no physical substance and is highly efficient over cosmic distances.
More About How is energy from the sun transferred
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