![Hubble Telescope Image source: NASA Hubble Telescope Image source: NASA](http://www.timeone.ca/wp-content/uploads/2013/03/Hubble-Telescope-e1403815774780.jpg)
Classification: machine
Chapter: Looking Forward, Looking back
The Hubble Space Telescope is an 8-foot mirror telescope launched into low-Earth orbit in 1990 that, despite the need to fix a problem with its optics while in orbit, takes stunning pictures of objects in space billions of light years away.