Witnessing the Birth of a Distant Cluster of Galaxies (ESOcast Light 259)

Using ALMA, astronomers have detected a large reservoir of hot gas in the still-forming galaxy cluster around the Spiderweb galaxy –– the most distant detection of such hot gas yet. This further reveals just how early these structures begin to form.

Credit:

ESO

Directed by: Angelos Tsaousis and Martin Wallner. 
Editing: Angelos Tsaousis. 
Web and technical support: Gurvan Bazin and Raquel Yumi Shida. 
Written by: Rory Harris and Jonas Enander. 
Music: Stellardrone — Fermi Paradox.
Footage and photos: ESO, M. Kornmesser, L. Calçada, ESO/C. Malin (christophmalin.com), ESO/B. Tafreshi (twanight.org).
Scientific consultants: Paola Amico and Mariya Lyubenova.