This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Spacewalker. Spacewalk takin' stroll Astronomy Picture of the Day NASA nasa gov html gsfc nasa gov NASA NASA image Astronautinspace appears to be the original this one is lower resolution cropped and with more saturated colour PDUSGov Images from NASA Extravehicular activity Astronomy Picture of the Day