NASA Astronaut John Grunsfeld says even when floating in space, it's important to take time for reflection, especially if you have a great view. Service crews have so many items to address when they are outside, they often don't have a minute to observe their own spacewalk. Grunsfeld decided it was so important to for his crew to return to Earth with that memory, he built it into the schedule.
NOVA: Hubble's Amazing Rescue
WHAT HUBBLE TEACHES US