Abstract
The Far Ultraviolet Spectroscopic Explorer (FUSE) space telescope will be turned off on 18 October, after its pointing system failed. The NASA mission, which has been managed by a team of researchers with the Johns Hopkins University, in Maryland, produced spectrographs at short ultraviolet light wavelengths below the range in which the Hubble Space Telescope operates.By analyzing FUSE data, astronomers were able to measure temperatures, densities, and chemical compositions of many objects. The 8‐year mission, extended from its original 3 years, resulted in numerous discoveries, including a glimpse into molecular hydrogen in Mars's atmosphere and a first‐ever observation of molecular nitrogen outside our solar system. While FUSE'S scientific data will remain available to astronomers for years, the science team will close out the mission in less than a year. After 30 years or so, FUSE'S orbit is expected to decay and the satellite will burn up in the atmosphere.
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