ESO Signs Contracts for the ELT’s Gigantic Primary Mirror

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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
ESO
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Jesse is a passionate scientist, educator, and science communicator. As an assistant professor at York University in the Department of Science, Technology, and Society, he teaches three classes: History of Astronomy, Introduction to Astronomy, and Exploring the Solar System. He frequently collaborates with the Canada Aviation and Space Museum, and lends his expert voice to the Ingenium Channel. Jesse is an astrophysicist, and his research explores how super massive black holes evolve through time. Whether in the classroom, through social media, or on TV, he encourages conversations about how science and society intersect, and why science is relevant in our daily lives.