It was launched into space exactly 25 years ago, on 24 April 1990, amid much scepticism.
The Hubble Space Telescope did little to silence its critics when a camera was discovered to be out of focus, and had to be repaired in 1993.
But today its discoveries about the universe are legendary.
“The telescope has exceeded all of our expectations, scientifically, the way it has impacted the culture, the way the people have adopted it as its own telescope. It has been a huge success story, probably NASA’s biggest success story over the years, at least outside of the manned space programme,” said Dr Kenneth G. Carpenter, project scientist for Hubble Operations.
Above all, the telescope has become renowned for its breathtaking images of the universe.
Mind-boggling images from 25 years of the Hubble Telescope http://t.co/e9zHM0aTUh via mashable— Mike Massimino (Astro_Mike) 22 Avril 2015
One of Hubble’s most famous images is the Hubble Deep Field that was made when the telescope focu
