The telescope measured only two degrees of the electrified gas wobbling back and forth by picking up ultraviolet light.

望远镜通过紫外线只测量了两度来回摆动的带电气体。

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NASA's Hubble Space Telescope has been following the surprising activity for 7 years, providing the most detailed ultraviolet-light view of the event.

NASA的哈勃太空望远镜已经跟踪了这种令人惊奇的现象有7年时间，为之提供最详尽的紫外线影像。

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The Galaxy Evolution Explorer is an ultraviolet survey telescope.

演化探测器是紫外测量望远镜。

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Galex - a space telescope designed to search for the ultraviolet light that newly born stars put out - hinted that NGC 6872 was made much larger in size by the collision.

BBC: Galaxy crash sparks biggest spiral