Settlement on Moon: Artificial Gravity & Feasibility

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Discussion Overview

The discussion centers around the feasibility of establishing a settlement on the Moon, specifically addressing the need for artificial gravity and the implications of lunar gravity on long-term residents. It explores various aspects including health concerns, recreational activities, and logistical challenges related to such a settlement.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants propose that artificial gravity may be necessary due to potential medical issues from long-term exposure to the Moon's one-sixth gravity, such as bone strength loss.
  • Others argue that creating artificial gravity could be cost prohibitive, questioning the practicality of rotating large settlements.
  • A participant suggests that the Moon could serve as a beneficial environment for retired individuals, potentially aiding in recovery due to reduced gravity.
  • Concerns are raised about the need for exercise equipment to maintain health, with suggestions for shipping specialized machines instead of traditional weights, which could be dangerous in low gravity.
  • One participant envisions a retirement home with a swimming pool, speculating on the experience of swimming in reduced gravity and the logistical challenges of transporting water to the Moon.
  • Another participant humorously considers the implications of performing a cannonball in a lunar pool, questioning how the reduced gravity would affect the splash compared to Earth.

Areas of Agreement / Disagreement

Participants express a range of views on the necessity and feasibility of artificial gravity, with no consensus reached. The discussion includes both supportive and skeptical perspectives regarding the practicality of a lunar settlement and its implications for health and recreation.

Contextual Notes

Limitations include assumptions about the health impacts of low gravity, the feasibility of transporting materials to the Moon, and the undefined parameters of what constitutes a suitable settlement design.

sid_galt
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If a settlement is ever setup on Moon, would it require artificial gravity. Would it be feasible to rotate such a large settlement using bearings and rockets?
 
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With one-sixth Earth's gravity, the moon would likely cause some medical problems for any long-term residents (e.g., bone strength loss). Creating artificial gravity sounds cost prohibitive (large tilt-a-whirl settlement? or is than an oxymoron?). Perhaps short-term stays would be feasible of we could develop a cheaper transporation system? Perhaps homesteaders would have to take up permanent residence?
 
Actually, the Moon might make a great place for retired people to convalesce. It would be easy on your heart, and if you fell, you would be less likely to break a hip.
 
Given the importance of exercise to the maintenance of bone mass and muscle tone, you'd better plan on shipping Bowflex machines or something similar to keep those old folks in shape. Free weights? I don't think so. Boosting all that iron to the Moon would be expensive, and although it might seem fun to bench press 600-900 lbs, it could be mighty dangerous if you're not careful. The barbell might feel like it weighs only 100-150 lbs, but the mass and inertia of that barbell would be the same as here on Earth.
 
Well, the retirement home I would build would have a giant swimming pool with a diving board. Imagine diving in 1/6th G! I wonder what swimming would be like.
 
Probably it would feel like flying :smile:
 
WarrenPlatts said:
Well, the retirement home I would build would have a giant swimming pool with a diving board. Imagine diving in 1/6th G! I wonder what swimming would be like.
You're going to send up enough water to swim in? :eek: Setting aside the giant pool, assuming that you have a modest-sized pool (10x20' with an average depth of 5'), that's just about 1000 ft3 of water. At 62.4 lb/ft3, you would be shipping up about twice the mass of an Apollo-mission lunar lander in water alone, to say nothing of the tanks, the rockets, reaction mass, guidance sysems, etc to de-orbit and land it. You might as well send up the iron free-weights.

Problem: if you did the cannonball off the springboard in 1/6th G (and managed not to hit your head on the ceiling!) you would hit the water with less velocity than here on Earth, but the water that you displace would splash up pretty high due to the low G's. Would your cannonball splash be equivalent to one you could make in an Earth-based pool?
 

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