Hubble SM 4 EVA
On the fifth and final servicing mission (SM 4), astronauts John Grunsfeld (back) and Andrew Feustel (front) work to remove and replace the Hubble Space Telescope's Fine Guidance Sensor 2.
Image Credit: NASA
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https://science.nasa.gov/image-detail/carousel-sm4-1/
Image CreditNASA
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