Uploaded April 2024 | Updated September 2026, 2 weeks ago
This video zooms into BH3, the most massive stellar black hole discovered so far in our galaxy. The black hole was detected thanks to the wobbling it induces on a companion star, seen here as a bright point at the centre of the frame towards the end of the zoom. An inset at the end of the video shows an artist’s animation of what the orbits of BH (in red) and its companion star (in blue) around their common centre of mass look like.
The various images shown here were taken with different telescopes at different times, and have been blended together to create this zoom. The final animation is an artistic creation.
For more details, check: eso.org/public/news/eso2408
Credit: ESO/L. Calçada, N. Risinger (skysurvey.org), DSS. Music: Martin Stuertzer
This video zooms into BH3, the most massive stellar black hole discovered so far in our galaxy. The black hole was detected thanks to the wobbling it induces on a companion star, seen here as a bright point at the centre of the frame towards the end of the zoom. An inset at the end of the video shows an artist’s animation of what the orbits of BH (in red) and its companion star (in blue) around their common centre of mass look like.
The various images shown here were taken with different telescopes at different times, and have been blended together to create this zoom. The final animation is an artistic creation.
For more details, check: eso.org/public/news/eso2408
Credit: ESO/L. Calçada, N. Risinger (skysurvey.org), DSS. Music: Martin Stuertzer



![World’s largest mirror support installed | ELT Updates
ESO’s Extremely Large Telescope (ELT) will boast the world’s largest telescope mirror ever, 39m across and weighing 200 tonnes. Check out this video to see engineers and constructions workers installing the massive steel structure that will support the mirror, inside the ELT dome in Chile’s Atacama Desert.
Learn more about ESO’s ELT at: https://elt.eso.org/
Watch our ELT playlist here:
• ESOs Extremely Large Telescope [LINK to https://www.youtube.com/playlist?list=PLSZ2Jv0bEZHy7el0mIrOMRKkhCw8pemaZ]
#ELT #BiggestEyeOnTheSky
Credit: ESO
Directed by: Angelos Tsaousis.
Editing: Angelos Tsaousis.
Web and technical support: Gurvan Bazin and Raquel Yumi Shida.
Written by: Bárbara Ferreira.
Footage and photos: ESO, Angelos Tsaousis, Martin Wallner, ACe/Cimolai.
Music: Jon Kennedy – Enchantica. World’s largest mirror support installed | ELT Updates](https://i.ytimg.com/vi/rtz3PR5ge_0/mqdefault.jpg)






