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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 …

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

    Dec 24, 2025 · 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 …

  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 …

  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 …

  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 …

  6. What Are the Benefits of the Sun's UV Rays? - Healthline

    Aug 1, 2025 · While there are many good reasons to get some sunlight, it’s important to understand that the sun emits UV radiation. This radiation can penetrate the skin and damage …

  7. Sunlight - Wikiwand

    Sunlight is the portion of the electromagnetic radiation which is emitted by the Sun and received by the Earth, in particular the visible light perceptible to t...

  8. How Much Sunlight You Need Each Day - Cleveland Clinic Health …

    Feb 20, 2025 · Sunlight provides vitamin D, boosts mood and aids in sleep. Recommendations vary, but just 10 to 30 minutes of sun exposure on bare skin will do the trick.

  9. Average Annual Sunshine by USA State - Current Results

    The tables below pull together numbers on the amount of sunshine that each US state usually has in a year. There's information by state on the annual averages for percent, hours and days of …

  10. SUNLIGHT Definition & Meaning - Merriam-Webster

    The meaning of SUNLIGHT is the light of the sun : sunshine. How to use sunlight in a sentence.