Irishman plays leading role in constructing the world's largest ever telescope

from This Week · host RTÉ Radio 1

Work is nearly complete on the aptly named 'Extremely Large Telescope' high up in the Andes Mountains in Chile. Tom Ray, Professor of Astrophysics at the Dublin Institute of Advanced Studies and President of the European Southern Observatory, leads the project.

Episode metadata supplied by the publisher feed · Published Jan 4, 2026

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Irishman plays leading role in constructing the world's largest ever telescope

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