This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
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ESO
eso.org
did:plc:ty3t56dqoufkhevgxi236w2w
Follow this journey deep into the cosmos, and you’ll encounter a butterfly at the end 🦋
Not an ordinary one, though. It's actually the planetary nebula NGC 2899. A giant bubble of gas, it extends up to two light-years from its centre.
Read more: https://www.eso.org/public/news/eso2012/ 🔭
2026-02-18T13:03:10.091Z