![Astronaut floating with the blue Earth in the background. Hubble and one of its solar arrays is visible, as is the space shuttle at the bottom of the image.](https://science.nasa.gov/wp-content/uploads/2022/05/kathy-sm1-hubble-astronaut.jpg?w=4096&format=jpeg)
Hubble astronaut Kathryn Thornton spacewalking during Servicing Mission 1
Kathryn C. Thornton, on the end of the Space Shuttle Endeavour's Remote Manipulator System arm, hovers over equipment for servicing the Hubble Space Telescope during Servicing Mission 1.
Credits: NASA
Image CreditNASA
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