![Astronaut in a white space suit tethered to the Hubble Space Telescope floating in space.](https://science.nasa.gov/wp-content/uploads/2023/05/27946761511-3e2b96f96c-c-jpg.webp?w=4096&format=png)
Astronaut Steven L. Smith
Steven L. Smith, STS-103 payload commander, waves to a crewmate located inside the Space Shuttle Discovery's cabin during the first spacewalk of NASA's third servicing mission to the Hubble Space Telescope (HST).
Credits: NASA
Image CreditNASA
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