SUMMARY: Bigger is better. When you're making a telescope, you want to construct the biggest mirror you can. The European consortium building the Extremely Large Telescope (ELT) - a monster observatory with a main mirror that will be between 50-100 metres - moved a step closer to building their telescope today by releasing the scientific case. If development moves forward, the ELT could begin construction within a few years, and be complete by 2015. Where Hubble can resolve objects 95 m (311 feet) apart on the Moon, the ELT could resolve objects 2 m (6.5 feet) apart.
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