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  1. Sunlight - Wikipedia

    Sunlight is a key factor in photosynthesis, the process used by plants and other autotrophic organisms to convert light energy, normally from the Sun, into chemical energy that can be used to synthesize …

  2. Sunlight | Definition, Wavelengths, & Facts | Britannica

    Sunlight, solar radiation that is visible at Earth’s surface. The amount of sunlight is dependent on the extent of the daytime cloud cover. Some places on Earth receive more than 4,000 hours per year of …

  3. Solar Radiation Basics - Department of Energy

    Solar radiation, often called the solar resource or just sunlight, is a general term for the electromagnetic radiation emitted by the sun. Solar radiation can be captured and turned into useful forms of energy, …

  4. Absorption / reflection of sunlight - Understanding Global Change

    When sunlight strikes the Earth, it is mostly reflected or absorbed. Reflected light bounces back into space while absorbed light is the source of energy that drives processes in the atmosphere, …

  5. Sunlight - Energy Education

    Sunlight, also known as solar radiation, refers to the incoming light to the Earth that originated from the Sun. This light represents a portion of the electromagnetic spectrum that includes infrared, visible …

  6. Figure 1.6. The spectral power density of sunlight, outside the atmosphere (AM0) and at the earth’s surface (AM1.5), showing absorption from various atmospheric components.

  7. Incredible Role of Sunlight: What You Need to Know

    Apr 10, 2024 · Discover the profound impact of sunlight on health, nature, and energy production. Explore the importance of sunlight exposure and its benefits.