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1. www.britannica.com › science › ultraviolet-radiationUltraviolet radiation | Definition, Examples, Effects,...

   www.britannica.com › science › ultraviolet-radiation

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   23 wrz 2024 · Ultraviolet radiation,that portion of the electromagnetic spectrum extending from the violet, or short-wavelength, end of the visible light range to the X-ray region. Its wavelengths are between 400 and 10 nanometers. Learn more about ultraviolet radiation.

   • Ultraviolet Radiation

     Ultraviolet radiation is emitted from some high-temperature...

   • Tanning

     Other articles where suntan is discussed:...

   • Skin

     Human skin, in human anatomy, the covering, or integument,...

   • Sunburn

     Sunburn, acute cutaneous inflammation caused by overexposure...

   • Ultraviolet Astronomy

     Ultraviolet astronomy, study of the ultraviolet spectra of...

   • Carcinoma

     carcinoma, a cancerous growth of surface tissues of the...

   • Psoriasis

     Psoriasis, a chronic, recurrent inflammatory skin disorder....

   • Excitation

     Excitation, in physics, the addition of a discrete amount of...

2. en.wikipedia.org › wiki › UltravioletUltraviolet - Wikipedia

   en.wikipedia.org › wiki › Ultraviolet

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   UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun. It is also produced by electric arcs, Cherenkov radiation, and specialized lights, such as mercury-vapor lamps, tanning lamps, and black lights.

3. www.who.int › news-room › questions-and-answersRadiation: Ultraviolet (UV) radiation - World Health Organization...

   www.who.int › news-room › questions-and-answers

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   Just as visible light consists of different colours that become apparent in a rainbow, the UV radiation spectrum is divided into three regions called UVA, UVB and UVC. As sunlight passes through the atmosphere, all UVC and most UVB is absorbed by ozone, water vapour, oxygen and carbon dioxide.

4. science.nasa.gov › ems › 10_ultravioletwavesUltraviolet Waves - Science@NASA

   science.nasa.gov › ems › 10_ultravioletwaves

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   10 sie 2016 · NASA's SDO spacecraft captured the image below in multiple wavelengths of extreme ultraviolet (EUV) radiation. The false-color composite reveals different gas temperatures. Reds are relatively cool (about 60,000 Celsius) while blues and greens are hotter (greater than one million Celsius).

5. sciencenotes.org › ultraviolet-light-or-uv-radiationUltraviolet Light or UV Radiation - Science Notes and Projects

   sciencenotes.org › ultraviolet-light-or-uv-radiation

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   1 kwi 2023 · Ultraviolet light that is close to visible light in terms of energy (near ultraviolet UVA and UVB) is non-ionizing radiation. However, energetic (UVC or shortwave) ultraviolet light is ionizing and has an increased capacity to damage DNA and kill cells.

6. www.cdc.gov › radiation-health › data-researchFacts About Ultraviolet Radiation | Radiation and Your Health |...

   www.cdc.gov › radiation-health › data-research

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   20 lut 2024 · The basics. Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by the sun and artificial sources. The beneficial effects of UV radiation include the production of a vital nutrient, vitamin D. However, overexposure may present risks.

7. www.medicalnewstoday.com › articles › what-is-uv-radiationWhat is UV radiation and how does it affect health? - Medical...

   www.medicalnewstoday.com › articles › what-is-uv-radiation

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   24 sie 2023 · Ultraviolet (UV) radiation is one part of the electromagnetic spectrum of radiation that reaches Earth from the sun. It is a form of light energy situated on the spectrum just beyond...