How much would an O'Neill cylinder cost?

I'm not sure how much O'Neill thought it would cost, but NASA's Ames research centre reckoned something like 140 billion dollars in the mid 70s, so maybe 700-800 billion nowadays. A more recent source suggests that it would really cost as much as 10 trillion dollars now.

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How big can you make an O'Neill cylinder?

The Island Three design, better known as the O'Neill cylinder, consists of two counter-rotating cylinders. They are five miles (8.0 km) in diameter and are capable of being scaled up to twenty miles (32 km) long. Could we build an O'Neill cylinder? Constructing the O'Neill cylinder would be one thing, but we'd also need to make it habitable. That means giving it gravity, water, and a breathable atmosphere. Gravity would be easy. The cylinder would make a full rotation in two minutes.

Would an O'Neill cylinder work?

And a breathable atmosphere. Gravity would be easy the cylinder would make a full rotation in two minutes that would generate a centripetal force which we would experience as gravity. Is a Bernal sphere possible? O'Neill proposed Island One, a modified Bernal sphere with a diameter of only 500 m (1,600 ft) rotating at 1.9 RPM to produce a full Earth artificial gravity at the sphere's equator. The result would be an interior landscape that would resemble a large valley running all the way around the equator of the sphere.

How fast would an O'Neill cylinder spin?

The Wikipedia page for an O'Neill Cylinder indicates that they would revolve at a rate of around 2.8 degrees per second – at a diameter of 5 miles, that would be a surface speed of about 0.12 miles per second, or ~440 mph. What would happen if we build Stanford torus? It would direct solar rays into the smaller mirrors on the outer shell of the Torus. Those mirrors would also act as part of the shield from all the harmful cosmic radiation. Living in this space habitat would be like living in a small town. There would be no skyscrapers, only labs, high-tech farms, and housing.

How big is Elysium space?

From the production crew, we know that the space station Elysium is 60 kilometers, or about 37.3 miles, in diameter and about 2 kilometers (1.2 miles) thick. If this ring were set upright on the surface of the Earth like a gigantic Ferris wheel, it could carry 25 city blocks side by side into the mesosphere. Do we have artificial gravity? At present, there is no confirmed technique that can simulate gravity other than actual mass or acceleration. There have been many claims over the years of such a device.

Can we build Elysium?

Actually building an Elysium-like space station would require some major advances in humanity's ability to live in space for an extended period of time and it might not be able to happen in 150 years, Uhran said.