•Jan. 2004, NASA
Director Sean O’Keefe announced it was too dangerous to service
HST with a shuttle mission (no aborts).
•Without regular
service, HST will fail
–Gyroscopes &
Orbital Decay
•Service also provides
upgrades
–Computers! Solar panels, etc.
–Instruments! STIS just failed.
•Waiting on the
“Next Generation” Space Telescope (NGST) renamed the
James Webb Telescope (more later)