Space mission · Chile

How much does Giant Magellan Telescope cost?

The Giant Magellan Telescope (GMT) is the optical telescope with seven 8.4 m mirrors under construction at Las Campanas Observatory in the Atacama Desert of Chile, developed by the GMTO Corporation, an international consortium including Australia, Brazil, Chile, Israel, South Korea, Taiwan and US institutions. Scientific American, reprinting Nature on 6 March 2024, said it is expected to cost 2.54 billion dollars, and the National Science Board recommended capping the National Science Foundation's giant-telescope contributions at 1.6 billion.

Published project estimate

$2.54 billion

Cost basis: 2024

A rendering of the exterior of the Giant Magellan Telescope at Las Campanas Observatory in Chile.
Giant Magellan Telescope - GMTO CorporationCC BY 4.0

Cost evidence

Basis of the published figure

Published project estimate2024
en.wikipedia.org

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