_why-do-ultraviolet-levels-vary-getting-sunburnt-on-a-cloudy-day.jpg "Why do ultraviolet levels vary? Getting sunburnt on a cloudy day from hubble time Video Screenshot Preview")
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⏲ Duration: 3 min 40 sec
✓ Published: 17-Feb-2011
✓ Published: 17-Feb-2011
Description:
Have you ever wondered why you have been sunburnt on a cloudy day? Harmful ultraviolet (UV) rays can still penetrate the earth's atmosphere. To help understand why you can still get burnt in these (and other) situations, we've produced a short video on why UV levels vary. Produced by Clinuvel http://www.clinuvel.comnnThe total dose of UV radiation reaching the earth's surface, and hence the potential damage to human skin and tissues, varies, depending on many factors.nnThe sun's elevation in the
Have you ever wondered why you have been sunburnt on a cloudy day? Harmful ultraviolet (UV) rays can still penetrate the earth's atmosphere. To help understand why you can still get burnt in these (and other) situations, we've produced a short video on why UV levels vary. Produced by Clinuvel http://www.clinuvel.comnnThe total dose of UV radiation reaching the earth's surface, and hence the potential damage to human skin and tissues, varies, depending on many factors.nnThe sun's elevation in the
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