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Q&A How much sunlight can I get into my O'Neill cylinder and how much light needs to be artificial?

The cylinder is 32 km long in total, 8 km in diameter, with 3km long endcaps, resulting in a habital area with a length of 26 km (= and an area of cirka 754 km2). The main body of the cylinder is...

1 answer  ·  posted 4y ago by Backup Plan‭  ·  last activity 4y ago by Backup Plan‭

Question space sunlight space-constructs light