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PDF) The ultraviolet calibration of the Hubble Space Telescope. IV - Absolute IUE fluxes of Hubble Space Telescope standard stars
Satellite, International Ultraviolet Explorer (IUE), Engineering mock up | National Air and Space Museum
NASA Universe on Twitter: "The International Ultraviolet Explorer (IUE) launched 45 years ago this week! An ancestor of today's space telescopes, IUE observed virtually every type of object in the universe. Follow
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