Faint Object Spectrograph
Appearance
The Faint Object Spectrograph (FOS) was a spectrograph installed on the Hubble Space Telescope. In 1997 it was replaced by the Space Telescope Imaging Spectrograph.
The Faint Object Spectrograph (FOS) was a spectrograph installed on the Hubble Space Telescope. In 1997 it was replaced by the Space Telescope Imaging Spectrograph.