Inside the world's largest telescope: it's progressing fast!
9:55
YouTubeESO Chasing Starlight
Inside the world's largest telescope: it's progressing fast!
With its 39 m primary mirror, ESO's Extremely Large Telescope (ELT) will be the biggest and most powerful optical telescope in the world. In this episode of Chasing Starlight we take you on an exclusive tour of the ELT, from the massive telescope structure inside the dome to the facility that will coat the mirrors with reflective silver. 0:00 ...
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