![How we're building the world's biggest optical telescope to crack some of the greatest puzzles in science How we're building the world's biggest optical telescope to crack some of the greatest puzzles in science](https://images.theconversation.com/files/557968/original/file-20231107-25-fl42fz.jpg?ixlib=rb-1.1.0&rect=237%2C89%2C5185%2C3533&q=20&auto=format&w=320&fit=clip&dpr=2&usm=12&cs=strip)
How we're building the world's biggest optical telescope to crack some of the greatest puzzles in science
![The construction of the Extremely Large Telescope (ELT) in Chile is coming along nicely. Scheduled to be in use in 2028. : r/space The construction of the Extremely Large Telescope (ELT) in Chile is coming along nicely. Scheduled to be in use in 2028. : r/space](https://preview.redd.it/the-construction-of-the-extremely-large-telescope-elt-in-v0-w11beue67s6b1.jpg?width=640&crop=smart&auto=webp&s=2bbcd300e94f66f11a972e6a17002b5279183776)
The construction of the Extremely Large Telescope (ELT) in Chile is coming along nicely. Scheduled to be in use in 2028. : r/space
![ELT compared to other large telescopes, illustration - Stock Image - C038/1141 - Science Photo Library ELT compared to other large telescopes, illustration - Stock Image - C038/1141 - Science Photo Library](https://media.sciencephoto.com/image/c0381141/800wm/C0381141.jpg)
ELT compared to other large telescopes, illustration - Stock Image - C038/1141 - Science Photo Library
![Futurism on X: "The European Extremely Large Telescope is over 16X larger than the Hubble Space Telescope ! https://t.co/Drm8nB7rB5" / X Futurism on X: "The European Extremely Large Telescope is over 16X larger than the Hubble Space Telescope ! https://t.co/Drm8nB7rB5" / X](https://pbs.twimg.com/media/Cnp_u60UkAAWYZD.jpg)