How a New Gamma-ray Observatory will See the High-energy Universe | ESO

How a New Gamma-ray Observatory will See the High-energy Universe | ESO

The Cherenkov Telescope Array Observatory (CTAO) will be the world’s largest and most powerful gamma-ray observatory. It will detect high energy radiation from some of the most powerful events in the Universe, from supernova explosions to hungry black holes. However, our atmosphere protects us from gamma rays, so how will the CTAO achieve this? By doing something seemingly impossible: observing particles that move faster than light, without breaking the laws of physics.

Learn more about Cherenkov Telescope Array Observatory (CTAO) 
https://www.eso.org/public/teles-instr/paranal-observatory/ctao/

Credit: European Southern Observatory (ESO)
Directed by: L. Calçada, M. Kornmesser
Hosted by: S. Randall
Written by: S. Randall
Editing: M. Kornmesser, L. Calçada
Videography: A. Tsaousis
Animations & footage: ESO, M. Kornmesser, L. Calçada, ECTAO, polar media, CERN, NASA, ESA, M.J. Jee and H. Ford, ISS, C. Malin
Web and technical support: R. Y. Shida
Fact-checking: CTAO Communications Office
Promotion: J. C. Muñoz Mateoss, O. Sandu
Filming Locations: ESO Supernova
Produced by ESO, the European Southern Observatory

Duration: 7 minutes

Release Date: Dec. 18, 2025

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