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A New Record Nears: The World’s Largest Telescope Prepares For Completion (Synopsis)

13 Sep 2017, 14:04 UTC
A New Record Nears: The World’s Largest Telescope Prepares For Completion (Synopsis) ESO/L. Calçada
(200 words excerpt, click title or image to see full post)

Throughout history, a number of advances have enabled astronomers to collect superior data about the Universe. Smoother mirrors, adaptive optics, superior instrumentation, and optimized photon collection have all made significant contributions, but at some point, you simply have no choice but to go bigger. Doubling the size of your primary mirror doubles your resolution and quadruples your light-gathering power, so bigger is always better. In the mid-2020s, the Extremely Large Telescope (ELT) will be completed, surpassing everything.

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