Who said the Hubble servicing mission would be hard? Two astronauts did in 3 hours what was supposed to take 5, and fixed one of the Hubble’s most important instruments, the Space Telescope Imaging Spectrograph.
And they did it wearing the equivalent of boxing gloves, putting Earth-bound handymen everywhere to shame.
Now that it’s been spruced up, the STIS and its new partner, the Cosmic Origins Spectrograph, will help us understand what the universe is made of.
Read more about the COS.
Rebecca Boyle 
I guess…but I still think my handy man is pretty cool!