ESO Signs Contracts for the ELT’s Gigantic Primary Mirror

5 m
An artists impression of the Extremely Large Telescope, to be in use by 2024.
The European Southern Observatory is building, what will be, the largest optical telescope on Earth (image credit: Swinburne Astronomy Productions/ESO).

Looks like progress for the European Southern Observatory's Extremely Large Telescope. Two contracts were awarded to companies to build and test the 39 mirror segments (each 1.4 meters across). Once completed, ELT will be the largest optical telescope on the planet.

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ESO Signs Contracts for the ELT’s Gigantic Primary Mirror
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Jesse Rogerson, PhD

As a passionate science communicator, Jesse Rogerson loves promoting science literacy to the public. He frequently represents the Canada Aviation and Space Museum on television and radio, social media, and at conferences. He co-developed a science communication workshop for Canadian science professionals, to instruct them in more effective methods of communicating their science. A trained and practicing astrophysicist, Jesse holds a PhD in observational astrophysics from York University, and recently published a peer-reviewed paper in The Astrophysical Journal. Jesse enjoys riding his motorcycle, board games, and ultimate frisbee.