Reflect Orbital and SpaceX have filed proposals with the US Federal Communications Commission that threaten ground-based astronomy. We submitted replies and collaborated with the UK Royal Astronomical Society & the International Astronomical Union for their responses. 1/

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Our Extremely Large Telescope is already 70% complete!

But what would you see if you walked inside it today? The latest Chasing Starlight episode takes you there: youtube.com/watch?v=4IUeLqC-xp…

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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 ...

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