Year-long Timelapse: Building the Extremely Large Telescope | ESO FriendsofNASA.org: Last year saw outstanding progress for the European Southern Observatory’s Extremely Large Telescope (ELT). In this timelapse, we are looking back in time to see just how far the ELT has come. At first, we can see only a skeletal steel dome. Over the course of the year, it has been gradually coated in a shiny new layer of protective—and thermally insulating—cladding. Panel by panel, the enormous 80 meter high, 9

There's large and then there's the Very Large and Extremely Large Telescopes 🔭 🎤 📹: Jonathan Webb 🎧: Hear more about these incredible telescopes on The Science Show via the ABC listen app. #Telescope #AtacamaDesert #Chile #ELT #VLT | ABC Science