On 18 September 2026, the Instituto de Astrofísica de Canarias (IAC) and the Ministry of Science, Innovation and Universities (MICIU) received a communication from the Executive Director of the TMT International Observatory (TIO) stating that its partners had been unable to reach the consensus required to accept the financial offer presented by the Ministry on 29 July to begin construction of the Thirty Meter Telescope (TMT) at the Roque de los Muchachos Observatory (ORM) on the island of La Palma. The proposal envisaged financing of up to €1 billion: a contribution from the Centre for the
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