Decrease font size Increase font size Print this page Français

Observatoires > ESO IV

and the projects of ELT (Extremely Large Telescope)

Credit: ESO

Above, the project of the ELT 39m-telescope.

The project of the building of an "Extremely Large Telescope" with a primary mirror of a diameter of 39 meters, is now started on a site near Paranal (Chile). It will observe in visible and infrared wavelengths from 2025.

Details on this project and on other similar projects are available below:

- ELT ( Extremely Large Telescope de l'ESO
- CELT ( California Extremely Large Telescope
- OWL ( Overwhelmingly Large Telescope
- GMT ( Giant Magellan Telescope