Buzz Aldrin walking on moon surface

Note the well-defined footprints in the foreground. Buzz is facing up-Sun. There is a reflection of the Sun in his visor. At the bottom of Buzz's faceplate, note the white 'rim' which is slightly separated from his neckring. This 'rim' is the bottom of his gold visor, which he has pulled down. We can see the LEC straps...

Spacewalking Astronaut Jon Grunsfeld

A close-up of Astronaut John Grunsfeld shows the reflection of Astronaut Andrew Feustel, perched on the robotic arm and taking the photo for future...

Mirror Testing at NASA Breaks Myths

The test chamber takes approximately five days to cool a mirror segment to cryogenic temperatures. Marshall's X-ray & Cryogenic Facility is the world's...