Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without ...

The Giant Magellan Telescope, one of the largest telescopes ever built, is entering the final design phase and is expected to ...

The three extremely large telescope (ELT) projects now in development have made very different decisions about the design of this segmented primary mirror. Two of the ELTs, the European ELT and ...

the Extremely Large Telescope (ELT). With blanks made by the German company SCHOTT, this vast structure was the biggest that the company had ever made. But the mirror didn't just need to be big.

The first mirrors for the European Southern Observatory's Extremely Large Telescope (ELT) arrived at the scope’s future home in Chile just in time for Christmas, but the unboxing process is ...

Optica. (2023, April 4). Researchers devise new membrane mirrors for large space-based telescopes. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 04 ...

(Courtesy: Sebastian Rabien, Max Planck Institute for Extraterrestrial Physics) Extremely large telescopes in space- or balloon-based observatories will require mirrors that are much larger, more ...

The center structure will support the telescope's large central mirror and secondary mirror. | Credit: ESO/G. Vecchia Progress has also been made on the polygon structure at the base inside of the ...

The first 18 pieces for one of the European Southern Observatory’s Extremely Large Telescope (ELT) mirrors have started their 10,000 kilometer journey from France to Chile. It’s a key step on ...

with the installation of protective siding and supports for the primary mirror. The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) is currently under construction on the ...