He found data from the Space Telescope Imaging Spectrograph (STIS) that showed a noticeable brightening between 1999 and 2001.

他从空间望远镜光谱摄制仪(STIS)上发现的数据显示：一个明显的变亮过程发生在1999年至2001年之间。

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Within lay the flawed wiring of the Space Telescope Imaging Spectrograph (STIS).

BBC: Brute force helps Hubble renewal

On Sunday, mission specialists Michael Massimino and Michael Good had to contend with a handrail blocking their access to the Space Telescope Imaging Spectrograph (STIS), resorting in the end to tearing it off with brute force.

BBC: Shuttle releases repaired Hubble