The Hubble Space Telescope
Hubble was originally designed in the 1970s and launched in 1990. Thanks to on-orbit service calls by the Space Shuttle astronauts, Hubble continues to be a state-of-the-art, model year 2001 space telescope.
Hubble orbits 600 kilometers (375 miles) above
Earth, working around the clock to unlock the secrets of the Universe. It
uses excellent pointing precision, powerful optics, and state-of-the-art
instruments to provide stunning views of the Universe that cannot be made
using ground-based telescopes or other satellites.

As of March 2000, Hubble has:
For More Information click:
http://hubblesite.org/newscenter/archive/2003/02/ http://www.stecf.org/ http://www.stsci.edu/resources/ http://www.ast.cam.ac.uk/HST/