It was launched into space exactly 25 years ago, on 24 April 1990, amid much scepticism.<br /><br /> 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.<br /><br /> But today its discoveries about the universe are legendary.<br /><br /> “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.<br /><br /> Above all, the telescope has become renowned for its breathtaking images of the universe.<br /><br /> Mind-boggling images from 25 years of the Hubble Telescope http://t.co/e9zHM0aTUh via mashable— Mike Massimino (Astro_Mike) 22 Avril 2015<br /><br /> One of Hubble’s most famous images is the Hubble Deep Field that was made when the telescope focu
