Astronaut Floating Out of the Open Hatch. Astronaut floats in zero gravity of space. The extravehicular activity was performed during the third revolution of the Gemini-Titan 4 spacecraft. He is attached the spacecraft by a 25-ft. umbilical line and a 23-ft. tether line, both wrapped in gold tape form one cord. In his right hand he carries a Hand-Held Self-Manoeuvring Unit (HHSMU). The visor of his helmet is gold plated protect him from the unfiltered rays of the sun (NASA Media Archives). Buy this as a superb wall poster, a canvas print or a framed print.