Gallery: Hubble's greatest hits - 20th anniversary Summary: The Hubble space telescope was a total bust after it was dropped from space shuttle Discovery 20 years ago. But some fine tuning turned it into a grand scientific achievement. By Andy Smith | April 28, 2010 -- 10:43 GMT (03:43 PDT) Previous | Next Image 30 of 31 The maintenance contract on the Hubble has run out. If there are any problems, scientists on Earth will have to deal with them. But the James Webb Space Telescope is set to launch in 2013 and will study the origins of the universe.Credit: NASA Topic: Nasa / Space Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.