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flag The world’s largest optical telescope, the ELT, is being built in Chile and will begin operations in 2029, studying exoplanets, galaxies, and dark matter.

flag The European Southern Observatory’s Extremely Large Telescope (ELT), the world’s largest optical telescope, is under construction on Chile’s Cerro Armazones mountain. flag With a 39-meter primary mirror and advanced adaptive optics, it will produce images 15 times sharper than Hubble’s. flag Scheduled for technical first light in early 2029 and full scientific operations by December 2030, the ELT will study exoplanets, early galaxies, dark energy, dark matter, and star and black hole formation.

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