1 00:00:08,000 --> 00:00:10,300 La Silla Observatory turns 50! 2 00:00:12,800 --> 00:00:19,200 ESO's first observatory is turning 50 years old. 3 00:00:20,800 --> 00:00:28,000 La Silla has been observing the Chilean night sky since 1969, and has made some impressive discoveries... 4 00:00:30,000 --> 00:00:35,900 ...including the accelerating expansion of the Universe... 5 00:00:37,800 --> 00:00:43,800 ...and observing the first light from a gravitational wave source. 6 00:00:45,500 --> 00:00:52,800 Among its instruments is HARPS, an exoplanet hunter that has discovered scores of alien worlds. 7 00:00:55,000 --> 00:01:01,000 La Silla has paved the way for new telescope technology... 8 00:01:02,500 --> 00:01:07,800 ...survived snowstorms and earthquakes... 9 00:01:08,800 --> 00:01:13,000 ...and shows no signs of slowing down. 10 00:01:23,500 --> 00:01:27,500 Transcribed by ESO; translated by –