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Questions tagged [habitat]

Questions on a place or enclosure in which humans and/or other lifeforms live.

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Kalpana One Habitat scaled up

Was wondering since this is such a stable simplified structure compared to all other designs pretty much, but just small, how does it scale? Specifically 1km and 4km radius. Population estimate ...
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8answers
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Is there any economical way to move the water from the Martian poles to the people?

update: Water at the poles has some more recent news: Science: 03-August-2018 Radar evidence of subglacial liquid water on Mars EarthSky.org: 28-Sept-2018 Pink lagoon provides clues to possible Mars ...
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What is the current state of commercial space stations?

Many years ago, in the 2005 - 2010 area, it seemed like there were a lot of proposals to create commercial space habitats. These included inflatable modules, usage of spent fuel tanks, and ...
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2answers
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How much soil can be supported by an inflatable habitat on Mars?

What weight of Martian soil can be supported by the top of an inflatable habitat pressurized at Earth's atmosphere? While habitat's shape is a huge factor, this has 20 meter modules, semi-cylindrical ...
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2answers
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Why do space settlement designers use tori instead of cylinders for space settlements?

Almost all space settlement designs featuring artificial gravity by centrifugal force use the inner side of the outer part of the torus: Why is it that I see hardly any cylindrical-shaped artificial ...
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Range of atmospheric pressure and composition for plant survival?

I am currently working on a college senior design team that is looking at developing a small modular habitat that could sustain plant growth. These small modules would not include humans, so we only ...
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1answer
315 views

How livable would a lunar lava tube be?

Assuming the recently discovered lava tube is exactly what scientists think it might be, and assuming you could build 2 walls and a door in side the lava tube, and assuming you filled it with a ...
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1answer
218 views

How much radiation shielding would be required for a habitat at Mercury–Sun L5?

Given an O'Neill "Island Three" style cylindrical habitat located at Mercury–Sun L5 orbit, how much radiation shielding would be required to protect the occupants, and how would it need to be ...
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How easy would it be to detect a large 400x1000 meters tubular habitat at L4

I'm writing an SF book and want to know if a 400 by 1000 meter tubular habitat at Lagrange point 4 (or L5) would be easily detected from earth?
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1answer
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Sunroofs on Mars - durable transparent structural plastics lighter than glass to ship from Earth?

Comments below this answer to the question Which is easier to build on mars per square kilometer; greenhouse windows or photovoltaics/LEDs? discuss the possibility of using plastic instead of glass ...
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1answer
157 views

Mars greenhouse accessibility

Let's say a Mars outpost has an inflatable greenhouse. First, it is likely to be high-CO2, as CO2 is easy to acquire and increases plant growth. Second, it may be low-pressure, as plants don't need as ...
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How are electrical and other utilities interfaces added to an operating pressurised spacecraft?

How are extra utility lines and pipes, like data, electrical, ?or gasses and fluids, added to a manned, pressurised and operating vehicle or habitat, in space? A spacecraft may be launched with, ...
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1answer
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Is there likely to be life in Venus's upper atmosphere?

From what I understand, Venus's upper atmosphere is much more habitable than its surface, with a temperature and pressure that humans could tolerate. However, lack of oxygen and the presence of ...
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1answer
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The best shape and orientation for a space station

If you build a space station in the shape of a cylindrical wheel and construct it so that it spins around a central docking point in order to create artificial gravity would it be logical to orient ...
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1answer
308 views

How can a non-floored habitat be sealed on Mars?

Let's suppose I want to create a pressurized dome structure on the surface of Mars, but I want to avoid the time/effort/expense/engineering of sealing the base. Let's further stipulate that I've got a ...
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2answers
190 views

What are the main hurdles to surviving on mars until a return trip?

I watched a presentation on a manned mission to Mars and learned it would take two years until the Earth and Mars were properly aligned for the return mission from Mars. Are there any major ...
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1answer
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Is a glass habitat on Mars viable?

In Elon Musk's recent Reddit AMA (ask me anything), he talked about Initially, glass panes with carbon fiber frames For colonization of Mars. My question: Does a glass roof provide sufficient ...
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1answer
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When estimating radiation doses inside a lunar habitat, what assumptions are made as to shape?

The current estimate for how much shielding is needed for a long-term habitat on the Moon is a minimum of 700 g/cm2 of regolith, and 1000 g/cm2 for the levels at sea level on Earth. (The radiation ...
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2answers
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Is it real to patch an opening to the vacuum with plastic tarp and duct tape as in Martian?

In the Martian movie Watney patched a broken door to the martian surface with plastic tarp and duct tape. The pressure on Mars is 0.5 kPa, which is 200 times smaller, that on Earth (100 kPa), i.e. it ...
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1answer
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What are the challenges in building a supercritical CO2 gas turbine power plant for a Mars habitat of 6 astronauts?

There is abundant $\require{mhchem}\ce{CO2}$ in martian atmosphere, so we could use that in a modified gas turbine. Can this, combined with PV cells (a hybrid power source), be an efficient energy ...
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Could a Ferroliquid airlock work?

After looking at the previous question on liquid airlocks, I noted that the main problem with technology is that the force of gravity is far too weak on any body that an airlock would be a useful ...
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7answers
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Could liquid airlocks work?

I was looking through an old copy of Moon Miner's Manifesto a while ago and found the concept of a liquid airlock in an early issue. It is on page 32 of this issue from 1988. It posits this as an ...
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Are there any designs for a Mars Habitat made out of stone?

Have there been any designs for a Mars habitat that could be built out of the rocks that are on Mars? Maybe by having a rover find and scan rocks to build up a catalogue of 3D scans of rocks and then ...
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1answer
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Could permanent self-sustaining biodomes be built on Mars?

Somewhat apropos of the question of whether Mars could be terraformed (which really seems a non-runner due to lack of molten core) the interesting consideration of biodomes was thrown up. By using ...
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3answers
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Are exoplanets in the habitable zone suitable for human colonization?

If they found the those planets in the habitable zone, are they planning ahead for human settlement of them?
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2answers
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Could magnetic “boots” be used to simulate the effects of gravity for asteroid ships?

I have been to the Wikipedia pages on alternatives to gravity, and found the usual alternative forces, with the potential for magnets and the specious Russian claims, but I'm wondering why not just ...
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On building future sustainable Mars habitat

Pertaining to Mars habitation, eventually, could the answer be in burrowing into the ancient volcanoes instead of building the habitation outside in the open? Since Mars does not have magnetic ...
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1answer
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Might thermal mass, reflective insulation, and limiting light penetration allow heat control on the Moon? (reboot)

Extensive Edit - I'm genuinely seeking a better understanding of this so I am putting up a new version of this question. I used an example design to make the matter easier to discuss, but it was ...
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3answers
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Is it possible to map the caves of Phobos?

Having read that Phobos at 27 km long is around 30% porous, I am going to assume that there are a number of voids large enough for human entrance. If it turned out there was a void large enough and ...
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3answers
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Could Curiosity dig itself a burrow?

Technically speaking, given enough mission time and operator attention... Could Curiosity dig itself a burrow? How long would that take? What would be the technique for that? Has it already seen a ...
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2answers
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Do you need a mattress on the Moon?

In the 1985 work 'The Cat Who Walks Through Walls' by Robert Heinlein, Richard Ames makes the following internal observation; The character is in an underground abode. The accommodations are in a side ...
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2answers
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How much oxygen and hydrogen are in the soil of Mars?

Current knowledge suggests there is plentiful water ice at the Martian poles. The same knowledge says it gets cold enough at the poles for carbon dioxide to freeze out of the air. If creating a ...
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2answers
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Depressurization of a habitat on Mars

Wikipedia lists the atmospheric pressure of Mars to be about 600 pascals, or just 0.6% of Earth's atmosphere. I'm wondering, can anyone shed any light on what that means, in practical terms? ...
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What is the hollow asteroid concept in “Mining the Sky”

The follow is from the book summary of Mining the Sky: Untold Riches from the Asteroids, Comets, and Planets: hollow out asteroids to transform them into livable habitats for billions of space-...
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Why such a large gap between ISS construction and inhabitation?

I was studying this NASA infographic, and noticed something interesting on the timeline portion: It looks like the station was originally assembled in late '98, while the 'first crew' didn't arrive ...
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1answer
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Did Biosphere 2 make any discoveries later used on manned space flight?

Biosphere 2 operated as a closed entity for study of closed ecological systems for stints between 1991 to 1994. Given that the ISS has been continuously inhabited from 2000 to the present day, it ...
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1answer
222 views

What kind of leak rates do modern habitat modules have?

I thought I was going to be able to answer this question for myself, after seeing the paper Determination of On-Orbit Cabin Air Loss from the International Space Station (ISS). But it turned out that ...
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2answers
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What are the practical engineering difficulties in building and launching large inflatable modules?

Currently there seem to be two efforts under way: Bigelow Aerospace RKK Energiya The latter source (an article in the Popular Mechanics by Anatoly Zak) intimates that structural creep is a major ...
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What maximum speeds can be expected from meteorites?

Yes, I know, c is the limit, but let's say we want to build a shelter that will be meterorite-impact-proof, on the Moon, or some asteroid or anywhere without the atmosphere. We can spot anything ...
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1answer
107 views

What would an effective means be of protecting a habitat from UV-C radiation?

We are lucky on Earth, the ozone layer protects us from UV-C by absorbing wavelengths below about 280nm. However, the same can not be said for in space and on places like Luna and Mars. I would ...