Hubble Tool Time Episode 6: Servicing Mission 4

The video features NASA astronaut John Grunsfeld, astronaut trainer Christy Hansen, and EVA engineer Ed Rezak discussing the challenges and solutions involved in repairing the Hubble Space Telescope. They explain the importance of extra-vehicular activities (EVA), the design of astronaut-friendly tools, and the use of a fastener capture plate to prevent screws from floating away. The video also highlights the detailed procedures and training required for successful spacewalks, emphasizing safety and precision in a vacuum environment.

What was the main challenge faced by the astronauts during the last Hubble mission?

Describe the significance of the Space Telescope Imaging Spectrograph in the Hubble Space Telescope missions.

What role did color coding play in the astronauts' tool usage during the spacewalk?

How did the astronauts ensure that screws did not float away during the repair process?

Explain the process the astronauts followed to track the removal of screws during the spacewalk.

What was the outcome of successfully replacing the circuit board in the Space Telescope Imaging Spectrograph?

What precautions must astronauts take to avoid cutting their gloves during spacewalks?