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Astronomy: Eyes as big as the sky

Three teams are racing each other to build the next generation of telescopes that would dramatically dwarf the largest on Earth today. Eric Hand checks out the competition.

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Eric Hand covers physics and astronomy from Nature's Washington DC office.

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Giant Magellan Telescope

Thirty Meter Telescope

European Extremely Large Telescope

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Hand, E. Astronomy: Eyes as big as the sky. Nature 452, 142–145 (2008). https://doi.org/10.1038/452142a

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