1. Hubble Telescope
... mirror, and the three fine guidance sensors was awarded to Perkins-Elmer. The HST project was designed and built to serve a different purpose for NASA and the European Space Agency (ESA) than the two previous satellites. In their effort to benefit from the international astronomical researches and studies ... device uses two-dimensional detectors operating from the ultraviolet to the near infrared. First-order gratings cover the full spectral range and are designed for spatially resolved spectroscopy using a long slit. Echelle gratings, which are only available in the ultraviolet, are de...
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