Brady Haran goes inside UT4 at the Very Large Telescope, in Chile. More telescope tours like this: http://bit.ly/telescopetours With thanks to ESO. More about the VLT: http://bit.ly/DSVatVLT Extra information from Mike Merrifield, Paul Crowther and Vik Dhillon. Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/#!/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos Flickr: http://www.flickr.com/photos/68847473@N02/ More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html Video by Brady Haran