Yahoo Search Búsqueda en la Web

Entrar

Resultado de búsqueda

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

    Hace 4 días · Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays. UV radiation is present in sunlight , and constitutes about 10% of the total electromagnetic radiation output from the Sun.

  2. www.britannica.com › science › solar-radiationSolar radiation | UV Rays, Photons, Electromagnetic Waves

    17 de may. de 2024 · Solar radiation, electromagnetic radiation, including X-rays, ultraviolet and infrared radiation, and radio emissions, as well as visible light, emanating from the Sun. Of the 3.8 × 1033 ergs emitted by the Sun every second, about 1 part in 120 million is received by its attendant planets and their.

  3. www.gob.mx › cenapred › articulosProtégete de los rayos ultravioleta | Centro Nacional de...

    14 de may. de 2024 · Protégete de los rayos ultravioleta. La luz solar es importante para la vida, contribuye a la síntesis de vitamina D; pero si te expones a ella por tiempo prolongado, puede causar daños en la piel, como cáncer, y en los ojos, cataratas. Centro Nacional de Prevención de Desastres | 13 de abril de 2021.

  4. Videos

    Ver todo

  5. spaceplace.nasa.gov › sunburn › enWhy Does the Sun Burn Us? - NASA Space Place

    6 de may. de 2024 · The Short Answer: The Sun sends a few different kinds of energy to Earth. There is infrared radiation, which is heat. There is visible light, which is what our eyes can see. There is also ultraviolet light. We can’t see ultraviolet with our eyes, but it can burn our skin. The Sun keeps our planet warm enough for living things to thrive.

  6. mcpress.mayoclinic.org › living-well › the-science-of-sunburns-why-they-happen-andThe science of sunburns: Why they happen and how to treat them

    7 de may. de 2024 · What exactly is a sunburn? Both sunburns and tans are inflammatory reactions of the skin that result from exposure to too much ultraviolet (UV) radiation. UV radiation can come from the sun or another source, like a tanning bed. How likely you are to burn or tan depends on: The type of sun exposure.

  7. Imágenes

    • How many types of UV radiation are there and what’s the difference ...
    • The ABC’s of Ultraviolet Radiation - Medical Center of Marin - Urgent ...
    • Ultraviolet Waves
    • What is ultraviolet radiation? Definition and examples

    Ver todo

  8. www.health.com › sun-allergy-7563866Sun Allergy: Symptoms, Causes, Treatment and More - Health

    16 de may. de 2024 · A sun allergy—sometimes also called photosensitivity—occurs when the skin is hypersensitive to ultraviolet (UV) rays, which the sun naturally emits. Signs of sun allergy can include an...

  9. www.npr.org › sections › health-shotsMore effective sunscreen ingredients are available abroad but not...

    18 de may. de 2024 · Ultraviolet radiation falls between X-rays and visible light on the electromagnetic spectrum. Most of the UV rays that people come in contact with are UVA rays that can penetrate the middle ...