| 释义 |
ultraviolet dropoutn.（名词）- 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.紫外线消失：透过紫外线过滤器观测到的遥远银河的消失图像，由银河间的氢气吸收紫外线导致
- 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.紫外线侦测器：辨识用紫外线过滤器无法看到的遥远银河的技术，比较分析通过红、绿、紫外线过滤器观测到的图像
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