O'Neill Cylinders

O'Neill Cylinders are large, ring-shaped space habitats designed for human living in space. Imagine a huge, rotating space station that creates artificial gravity through centrifugal force. Inside, the cylinder's interior mimics Earth with land, water, and climate zones, supporting a self-sustaining environment for thousands of people. These structures are envisioned as potential homes for future space colonies, offering protection from cosmic hazards and expanding human presence beyond Earth. They combine advanced engineering with ecological systems to provide a livable, Earth-like environment in outer space.