Hubble Astronaut Kathryn ThorntonAstronaut Kathryn Thornton works on Hubble during Servicing Mission 1.Image Credit: NASA Facebook Pinterest X LinkedIn Email https://science.nasa.gov/image-detail/hubble-about-astronaut-kathryn-thornton/Copy URL to clipboard> DownloadShareTagsHubble Space TelescopeImage CreditNASASize1024x1020px
