How are the four 8.2m mirrors at the Very Large Telescope moved and re-coated with aluminium? More form the VLT: http://bit.ly/VLT_Playlist Filmed at the European Southern Observatory's site at Paranal, Chile. Deep Sky Videos website: http://www.deepskyvideos.com/ Twitter: https://twitter.com/DeepSkyVideos Facebook: http://www.facebook.com/DeepSkyVideos More about the astronomers in our videos: http://www.deepskyvideos.com/pages/contributors.html Made possible by: The University of Nottingham and The University of Sheffield. Video by Brady Haran