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The polygonal segments of the surface react to ultra-violet light, mapping the position and intensity of solar rays.

其表面的多角形组成部分对紫外光产生反应，映射太阳光线的方位和强度。

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Ozone provides a natural protective filter against harmful ultra-violet rays from the sun, which can cause sunburn, cataracts and skin cancer as well as damage vegetation.

臭氧提供天然的保护，防止太阳的有害紫外线的侵害，这种紫外线会导致晒斑，白内障，皮肤癌以及危害植物。

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Some feared that ultra-violet rays from the concert lights would affect the marble.

ECONOMIST: Rock the Taj

They're not X-rays, or gamma rays, or ultra violet.

BBC: NEWS | UK | Magazine | Wi-fi worry

Interestingly, an April 18 paper in the journal Nature reported that upper limits for neutrinos measured from IceCube are low enough that gamma-ray bursts are unlikely to be the sole source of ultra-high energy cosmic rays.

CNN: Why gamma-ray burst shocked scientists