Living in a Rotating Space Habitat: Perception and Challenges

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Discussion Overview

The discussion revolves around the challenges and perceptions of living in a rotating space habitat, particularly focusing on the effects of rotation on human experience and activities, such as playing golf. Participants explore concepts related to gravity simulation, the Coriolis effect, and docking procedures for spacecraft.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants question what happens when a person is rotated upside down in a rotating habitat, suggesting that "down" is defined by the direction of their feet against the ground.
  • Concerns about the Coriolis force are raised, with some noting that objects thrown across the station would curve due to this effect.
  • There is speculation about the behavior of water in ponds within the habitat, with some suggesting it would remain still like on Earth, while others inquire about potential subtle effects.
  • Participants discuss the challenges of playing golf in a rotating environment, noting that adaptation to the Coriolis force might make it easier to hit distant targets.
  • Questions arise regarding the docking of spacecraft, with suggestions that docking would occur at the center of the station and that thrusters would be needed to match the station's rotation during landing.
  • Some participants propose that parts of the station could remain stationary while others rotate, which could affect docking and landing procedures.

Areas of Agreement / Disagreement

Participants express multiple competing views regarding the effects of rotation on human perception and activities, and the discussion remains unresolved on several technical aspects, including the behavior of water and the specifics of docking procedures.

Contextual Notes

Limitations include assumptions about human adaptation to the rotating environment, the effects of the Coriolis force, and the specifics of spacecraft docking mechanisms, which are not fully explored or agreed upon.

cbrons
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This is the link - http://www.spacehabs.com/projects/#portfolio/20/

Forgive me for this rather stupid question, but say you lived on such a station. Um... what would happen when the part you were on rotated you upside down? I'm guessing that you wouldn't *technically* be upside down, but what would your perception be?

And how in the world can they play golf on there? (I notice golf courses).
 
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"Down" is whatever direction your feet are pressed to the ground. There would be complications concerning "coriolis force"- if you were to throw something across the station it would curve to one side.
 
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HallsofIvy said:
"Down" is whatever direction your feet are pressed to the ground. There would be complications concerning "coriolis force"- if you were to throw something across the station it would curve to one side.
Thank you... so again you are saying that they can have ponds and stuff? And the water just simply sits perfectly still like it would here on Earth? Or would that have some subtle effect? I am sorry, this is more for a fiction-writing exercise than anything else.
 
cbrons said:
Thank you... so again you are saying that they can have ponds and stuff? And the water just simply sits perfectly still like it would here on Earth? Or would that have some subtle effect? I am sorry, this is more for a fiction-writing exercise than anything else.
Yes, for the most part, sitting on the rim feels like sitting on earth. The rotation provides the illusion of gravity.
 
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cbrons said:
Um... what would happen when the part you were on rotated you upside down?
Ask some Australian how awkward that feels.

cbrons said:
And how in the world can they play golf on there?
Tricky because of stronger Coriolis force and gravity gradient compared to Earth. But if the golfers adapt to it, it might actually be easier to hit distant targets. The balls move on approximately straight paths (ignoring aerodynamics) in the inertial frame, so you just have to estimate how much a certain surface point will rotate during the flight time.
 
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Where would space ships dock in that sort of station? I am assuming at the center...

The thing is, I am not sure how you would land though. Wouldn't you have to match the rotation with the station using some kind of side thrusters (do these even exist?) that would act perpendicular to the direction of the motion in the opposite directions
 
cbrons said:
Where would space ships dock in that sort of station? I am assuming at the center...

The thing is, I am not sure how you would land though. Wouldn't you have to match the rotation with the station using some kind of side thrusters (do these even exist?) that would act perpendicular to the direction of the motion in the opposite directions
Correct, correct and correct. And yes, thrusters exist to control all 3 axes of motion.
 
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cbrons said:
Where would space ships dock in that sort of station? I am assuming at the center...

The thing is, I am not sure how you would land though. Wouldn't you have to match the rotation with the station
The station could also have parts which do not rotate with the big part.
 
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