This giant metal dome will hide a truly colossal telescope mirror | Space photo of the day for Feb. 16, 2026
The Extremely Large Telescope’ss 80-meter-tall dome takes shape in the Atacama Desert. (Image credit: ESO/G. Vecchia) The European Southern Observatory has released a new view of the Extremely Large Telescope (ELT), as its colossal outer dome nears completion at Cerro Armazones in Chile’s Atacama Desert. What is it? Captured in December 2025, the newly releasedContinue Reading












