Large Millimeter Telescope
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Observatory in Mexico
The Large Millimeter Telescope, officially the Large Millimeter Telescope Alfonso Serrano, is the world's largest single-aperture telescope in its frequency range, built for observing radio waves in the wave lengths from approximately 0.85 to 4 mm.
Address: Parque Nacional Pico de Orizaba, Volcán Sierra Negra, 75527 Pue., Mexico
Hours: Open 24 hours
Phone: +52 222 266 3100