Hubble Tool Time Episode 5 - Servicing Mission 3B
Retired NASA astronaut John Grunsfeld hosts this six-part mini-series about the tools used on the Hubble Space Telescope servicing missions. Hubble was uniquely designed to be serviced in space so that components could be repaired and upgraded. Astronauts using custom-designed tools performed challenging spacewalks on five servicing missions from 1993 to 2009 to keep Hubble operating so that it could change our fundamental understanding of the universe. Join John and EVA engineer Ed Rezac in this episode of Hubble Tool Time to learn about developing a wrench-like connector tool to replace Hubb
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