2024.04.30

The Era of Monster Telescopes

Matters of money, engineering and sheer geometry may end the construction of ever larger astronomical telescopes

This artist’s rendering shows the Extremely Large Telescope in operation on Cerro Armazones in northern Chile. The telescope will use lasers to create artificial stars high in the atmosphere. (credit: ESO/L. Calçada (CC by 4.0))

This artist’s rendering shows the Extremely Large Telescope in operation on Cerro Armazones in northern Chile. The telescope will use lasers to create artificial stars high in the atmosphere. (credit: ESO/L. Calçada (CC by 4.0))

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