@futurebird we have the technology and understanding *right now* to create a sealed terrarium ecosystem. A space station has additional challenges around getting it set up, controlling light levels, etc, but is it fundamentally different?
Our downfall would likely be adding technology, which would eventually fail. Solar panels feeding a lighting system is more fragile than a fixed material that filters raw sunlight to something about right.
https://geekdom.social/@JetlagJen/113605953452333504
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