A challenging mission

On this challenging mission, astronauts will fix a computer, install a sophisticated new camera, and make repairs on scientific instruments that were never designed to be fixed in space. The work is designed to get more life -- and more research -- out of the telescope. Check out the details of the repair by clicking on One Last Mission in the Times Special Report. You also can build your own Hubble model. Click on Build a Telescope. Share your thoughts here, and let us know if your model looks like the real thing.