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Learn how UVA and UVB rays affect your skin, how to tell them apart, and how to protect yourself from sun damage. Find out about UVC rays, the ozone layer, and other factors that influence UV... More @Wikipedia
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- UVA vs. UVB Rays: What’s the Difference? - HealthlineLearn how UVA and UVB rays affect your skin, how to tell them apart, and how to protect yourself from sun damage. Find out about UVC rays, the ozone layer, and other factors that influence UV...
- Sunlight | Definition, Wavelengths, & Facts | Britannicasunlight, solar radiation that is visible at Earth’s surface. The amount of sunlight is dependent on the extent of the daytime cloud cover.
- Sunlight - WikipediaSunlight is the electromagnetic radiation from the Sun that reaches Earth's atmosphere. Learn about its composition, power, spectrum, health effects, photosynthesis, daylighting and solar irradiance.
- Why do sunbeams appear to spread out? | Science QuestionsCrepuscular rays are an illusion caused by perspective, not by the Sun's rays spreading out. Learn how this phenomenon works and why it is not a sign of the Sun's distance or size.
- Crepuscular and Anticrepuscular Rays - Moravian UniversityCrepuscular rays (also called sun rays and sunbeams) are created when sunlight shines through gaps in clouds and continues through an atmosphere that contains dust and/or haze. This dust or haze scatters some of the bright light that can be seen against the darker cloud and/or darker blue sky background.
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