• Spectrograph, Faint Object, Hubble Space Telescope (FOS)
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    The Faint Object Spectrograph (FOS), one of the original axial instruments launched with the Hubble Space Telescope (HST) in April 1990, provided confirming evidence for a massive black hole in 1994 in the giant elliptical galaxy M87.

  • Spectrograph, Faint Object, Hubble Space Telescope (FOS)

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WEB14071-2014

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Spectrograph, Faint Object, Hubble Space Telescope (FOS)

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