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Self-confessed ‘Hubble-hugger’ and astrophysicist Mario Livio at the Space Telescope Science Institute celebrates the successes of the Hubble Space Telescope which was launched 25 years ago. Despite a rocky start, where the mirror needed adjustment and required a space-based engineer. The ‘People’s Telescope’ has made some amazing discoveries in our Solar System including finding super-massive blackholes at the centre of galaxies and calculating the age of the universe, as well as producing some stunning images.

Photo: The Whirlpool Galaxy (M51) and Companion Galaxy
Credit: NASA, ESA, S. Beckwith (STScI), and The Hubble Heritage Team (STScI/AURA)