单词 | ultraviolet dropout |
释义 | ultraviolet dropout音节分段:ultraviolet dropout; The disappearance of the image of an extremely distant galaxy when viewed through an ultraviolet filter, caused by the absorption of ultraviolet rays by intergalactic hydrogen gas.; A technique that identifies extremely distant galaxies that are not visible through ultraviolet filters by the comparative analysis of images viewed through red, green, and ultraviolet filters. |
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