The largest telescope dome ever built | Chasing Starlight 10

With a 39-m mirror, ESO’s Extremely Large Telescope will be the largest optical telescope ever built. But how will we protect it from the harsh conditions of the Atacama Desert?

Join ESO astronomer Suzanna Randall in this episode of Chasing Starlight, where she travels to Chile to tell us about the amazing engineering behind the ELT’s gigantic dome.



Directed by: M. Wallner, L. Calçada, M. Kornmesser, J. C. Munoz-Mateos
Hosted by: S. Randall 
Written by: P. Freeman, T. Howarth, B. Ferreira
Editing: M. Kornmesser, L. Calçada
Videography: A. Tsaousis, R. Soruco
Animations & footage: M. Kornmesser, L. Calçada, C. Malin/Vectorial/J. F. Salgado/Chepox/G. Huedepohl ( Dradi (Cimolai), ESO/ACe Consortium, ESO/G. Beccari.
Music: Videvo
Web and technical support: G. Bazin, R. Shida   
Scientific consultant:  P. Amico   
Promotion: O. Sandu
Filming Locations: ESO Supernova (, Cerro Armazones in northern Chile. 

Produced by ESO, the European Southern Observatory (

About the Video

Release date:3 May 2024, 14:00
Duration:06 m 05 s
Frame rate:25 fps

About the Object

Name:Extremely Large Telescope
Type:Unspecified : Technology : Observatory
Category:Chasing Starlight

Ultra HD (info)



Video Podcast
89.0 MB

For Broadcasters