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Nature 424, 714 (14 August 2003) | doi:10.1038/424714a

Astronomers count the cost of thinking big

Carina Dennis

Optical astronomy is now dominated by the word 'large', which is posing a sizeable problem for many countries that want to remain at its cutting edge.Increasingly, ground-based projects are centred on big, expensive endeavours as exemplified by several proposals currently being circulated for an extremely large telescope (ELT).