Would a rotating space station actually work on earth?

Duncan Bednar asked a question: Would a rotating space station actually work on earth?
Asked By: Duncan Bednar
Date created: Tue, Mar 9, 2021 1:35 PM

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Those who are looking for an answer to the question «Would a rotating space station actually work on earth?» often ask the following questions:

❔ Would a rotating space station actually work?

Well, creating a rotating spacecraft is simple in theory, but extremely difficult in practice. Just as an example, if you had a spacecraft such as yours (and just to make the numbers easier let's make it 1000 meters in radius) you'd need to accelerate the ends of the ship up to 100 meters/second or 360 kilometers/hour.

❔ Would a rotating space station actually work on one?

Many space stations and ships use a rotating design. 1936: In Alexander Belyaev's novel KETs Star a circular space station provides pseudo-gravity of about 0.1g by its rotation. 1958: The film Queen of Outer Space features a rotating space station that gets blown up. 1968: Arthur C. Clarke's novel 2001: A Space Odyssey was developed concurrently with Stanley Kubrick's film version of 2001.

❔ Would a rotating space station actually work on the moon?

Space station from the movie 2001: A Space Odyssey. Credit: A.M.P.A.S . This concept is actually quite time-honored. Von Braun’s own design built on previous proposals, the earliest of which was ...

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Rotating space station, all the way around Earth. If you were to build a space station around the Earth's circumference, and you wanted it to have a 24 hour period just like Earth, what affect would the gravity of Earth have on the simulated gravity, which is created through centripetal acceleration of the space station spinning?

This is exactly the idea of a spinning spacecraft. Spin around so that the humans inside are accelerating and it will mostly feel like it does on Earth.

The ISS rotates about its center of mass at a rate of about 4 degrees per minute so that it will complete a full rotation once per orbit. This allows it to keep its belly towards the Earth.

"The current space station is just the size of a small flat, really. "If someone wanted to built a rotating space craft that generated its own gravity, you could do it. It all just comes down to ...

But yes, a rotating space station (often shaped like a wagon-wheel in 1950’s science fiction) would have a form of artificial gravity. But the force holding you to the floor wouldn’t be gravity, but centrifugal force. It probably wouldn’t feel like gravity, especially since it would tug harder on your feet than on your upper body.

Many space stations and ships use a rotating design. 1936: In Alexander Belyaev's novel KETs Star a circular space station provides pseudo-gravity of about 0.1g by its rotation. 1958: The film Queen of Outer Space features a rotating space station that gets blown up. 1968: Arthur C. Clarke's novel 2001: A Space Odyssey was developed concurrently with Stanley Kubrick's film version of 2001.

A rotating device on a space station, like a carousel, even the entire construct, whether low Earth orbit or more distant, would be a source of centripetal force only if a human were Velcro’d or fastened some other way to the device to ’feel’ the *force* of circular motion, which would require a second rotating contraption in opposing motion to cancel out gyroscopic momentum or the space station would wobble out of control or become difficult and materially costly to control.

To keep you moving in a circle, the rotating object must continuously apply force to you. As long as force is being applied, you’re accelerating. The direction of this force is inward, toward the center of the space station, so it’s called the centripetal force (literally, towards the center). The force is being exerted on you by the floor (outer rim) of the space station, which is pushing on the soles of your feet.

Solutions for Chapter 6 Problem 19PE: A rotating space station is said to create “artificial gravity”—a loosely-defined term used for an acceleration that would be crudely similar to gravity. The outer wall of the rotating space station would become a floor for the astronauts, and centripetal acceleration supplied by the floor would allow astronauts to exercise and maintain muscle and ...

Most spacecraft we're able to launch today are actually very light and brittle since it costs roughly $1 million per pound just to lift something into space. But probably more important is the question of how to build it. You wouldn't be able to construct a ship like that on Earth. It'd have to be assembled in space.

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