Following TIO's September 18 letter to Minister Morant, we want to share more about our decision. TIO鈥檚 partners gave Spain鈥檚 financing proposal extensive and careful consideration and ultimately were not able to accept the proposal.
Today the Government of Spain, with the European Investment Bank, announced a proposed financial framework to support building the Thirty Meter Telescope at the Observatorio del Roque de los Muchachos on La Palma.
TIO is excited to announce the successful completion of the Secondary Mirror Metrology & Polishing Final Design Review.
The TMT Optics team is excited to announce the successful completion of the ITCC鈥檚 Stress Mirror Polishing Fabrication Readiness Review (FRR).
The TMT Laser Guide Star Facility (LGSF) team is excited to announce the successful completion of their Final Design Review 1. The review was held at the TIO Project Office on January 21-22, 2026 and included both in-person and remote attendees.
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