EVA (Extra Vehicular Activity)
Buglugs – Flickr
Bild: Buglugs
NASA
STS-109 Extra Vehicular Activity (EVA)
Hubble Space Telescope (HST) being refurbished during the STS 61 flight
The Hubble Project Servicing Mission 3B
Hubble Space Telescope after deployment
NASA JSC Imagery Services
Photo Credit: NASA/JSC