Hubble facts

While monitoring the live feed today at the NASA web site, I learned a few things about the Hubble Space Telescope:

• launched in 1990
• 500 000 images of planetary bodies
• 800 000 images of other objects
• 24 500 pounds (2 elephants)
• size of a large bus
• publicly accessible
• serviced over 4 missions (counted the impending)
  
• final SM4 will be performed by STS-125
• should operate to 2014
• 7000 scientific papers published

Lots more info can be found over at the NASA site, of course.