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WHAT IS SUNBURN?
How It Works UK
|Issue 194
How solar rays can leave us red, sore and irritated
Sunlight is made up of different wavelengths of light, such as the visible light that we see as colours in the electromagnetic spectrum. Within that spectrum are two wavelengths of invisible ultraviolet light, called ultraviolet A and B. Ultraviolet B (UVB) is a high-energy wavelength and the main culprit when it comes to getting sunburned.
This story is from the Issue 194 edition of How It Works UK.
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