Goodbye to the Dunn Solar Telescope: The United States Will Demolish the 227-Ton Giant Spinning over Mercury Since 1969 After a Leak in Its Bearing

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On the morning of January 5, 2026, two employees of the State University of New Mexico working inside the Dunn solar telescope tower saw liquid mercury on the platform. According to the notice published by the observatory itself, safety protocols were activated "immediately" and the enclosure closed its ... Continue reading "Goodbye to the Dunn solar telescope: The United States will demolish the 227-ton giant spinning over mercury since 1969 af…