The most harmful solar radiation is Ultraviolet (UV) radiation, particularly UVA and UVB rays, which damage skin cells, cause sunburn, premature aging, and significantly increase the risk of skin cancers like melanoma. While the sun emits other radiation, UV is the type that reaches the Earth's surface in harmful amounts, even on cloudy days, and can penetrate skin layers.
Which is said to be the most harmful radiation, emitted by the sun ?
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