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ESO’s VLT Working as 16-metre Telescope for First Time

13 Feb 2018, 14:00 UTC
ESO’s VLT Working as 16-metre Telescope for First Time ESO/L. Calçada

The ESPRESSO instrument on ESO’s Very Large Telescope in Chile has for the first time been used to combine light from all four of the 8.2-metre Unit Telescopes. Combining light from the Unit Telescopes in this way makes the VLT the largest optical telescope in existence in terms of collecting area.

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