Astronomers propose a 50-meter submillimeter telescope
https://phys.org/news/2024-03-astronomers-meter-submillimeter-telescope.html

Some parts of the universe only reveal important details when observed in radio waves. That explains why we have ALMA, the Atacama Large Millimeter–submillimeter Array, a collection of 7-meter and 12-meter radio telescopes that work together as an interferometer. But, ALMA-type arrays have their limitations, and astronomers know what they need to overcome those limitations.

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