![An astronaut on the end of the space shuttle's robotic CANADARM above the shuttle's cargo bay. He is holding Hubble's Faint Object Spectrograph, which looks like a large black box. Hubble is in the background.](https://science.nasa.gov/wp-content/uploads/2023/11/hubble-sts82-stevensmith-fos.jpg?w=4096&format=jpeg)
Hubble SM2 Faint Object Spectrograph
Steven L. Smith, STS-82 mission specialist, on the Remote Manipulator System (RMS) arm with the Faint Object Spectrograph (FOS) after removal from Hubble Space Telescope during the second servicing mission in February 1997.
Credits: NASA
Image CreditNASA
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