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Far Ultraviolet Spectroscopic Explorer (FUSE – Explorer 77) launch. The primary objective of FUSE was to use high-resolution spectroscopy at far ultraviolet wavelengths to study the origin and evolution of the lightest elements (hydrogen and deuterium) created shortly after the Big Bang, and the forces and processes involved in the evolution of galaxies, stars and planetary systems.
The Far Ultraviolet Camera/Spectrograph was a tripod mounted, ... Spectroscopic data were provided from 300 to 1350 Ångström, with 30 Å resolution, ...
Ultraviolet line spectrum measurements (spectroscopy) are used to discern the chemical composition, densities, and temperatures of the interstellar medium, and the temperature and composition of hot young stars. UV observations can also provide essential information about the evolution of galaxies.
ESCAPE is an astrophysics Small Explorer proposed to NASA that employs extreme- and far-ultraviolet spectroscopy (80 – 1650 Å) to characterize the high-energy radiation environment in the habitable zones (HZs) around nearby stars.
GALEX used the first ever UV light dichroic beam-splitter flown in space to direct photons to the Near UV (175–280 nanometers) and Far UV (135–174 nanometers) microchannel plate detectors. Each of the two detectors has a 65 mm (2.6 in) diameter. The target orbit is 670 km (420 mi) circular and inclined at 29.00° to the equator.
Far Ultraviolet Camera/Spectrograph (UVC) NASA: 16 Apr 1972: ... Far Ultraviolet Spectroscopic Explorer (FUSE) NASA & CNES & CSA: 24 Jun 1999: 12 Jul 2007: Earth ...
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