Space Architecture: Exploring the Possibilities of Human Habitats Outside Earth.

Space Architecture Habitats on Venus as Proposed in the Design Thesis
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Looking at outer space for your next home? Rahul, a final year architecture student from MITSOA is eventually designing innovative space architecture habitats, straight on Venus! Hop on to know his proposed design trajectories, the materials he’s considering, and some other fun facts below! But first, let’s sort the basics!

  • Building space architecture on Venus requires advanced thermal insulation, pressure-resistant materials, and airtight habitats to withstand the planet’s extreme temperatures and high atmospheric pressure.
  • Architects must utilize specialized coatings and corrosion-resistant materials, such as titanium or glass composites, along with sloped designs to save their structures from acid-accumulation.
  • Architects can generate food on Venus by designing closed-loop hydroponic systems within pressurized bio-domes, nutrient-rich solutions and artificial lighting to cultivate crops, despite the sulfuric rains on Venus.

The idea of construction, engineering and inventing habitats which could serve as living spaces, along with the exploration for further future development, is called space architecture. Such spaces work in environments that can support human survival and comfort in extreme conditions like heat and pressure. After all, they do have to tolerate microgravity and toxic planetary atmospheres, right?

In fact, the big question – “Will we ever leave this planet?”  has been burning in the minds of researchers, scientists and pretty much anyone who’s ever been intrigued by the idea of exploring other planets. This topic has eventually caught the attention of people for ages and will keep doing so for future generations.

Did you know that Venus is often called Earth’s twin because they’re similar in size and density? But even then, Venus actually seems a total mystery! One, it has whopping hot temperatures over 450°C and two, it has a toxic atmosphere with insane atmospheric pressure.

In fact, Venus has a super thick atmosphere, unlike the Moon or Mars, that basically protects the ground from nasty solar and cosmic radiation, making it a decent spot for space architecture. Plus, its carbon dioxide-rich air can help grow plants and pull out oxygen to make water. And even though it’s super hot, the Venusian surface has lots of minerals like basalt, sulfides, etc. 

Furthermore, Venus has a pretty stable orbit. And, asteroids or other celestial bodies don’t affect it that easily. So it’s much safer for long-term & sustained space architecture

  • Floating Cities: So basically, floating cities are modular floating stations which have inflatable membranes attached to the station. These keep the whole space architecture habitat afloat, a lot like a blimp.
  • Balloon Based Habitats: These typically have aerostats or balloons to provide a platform for the habitats and laboratories.
  • Primary Material: As we all know, Venus is super hot and has really high pressure vectors. So Vectran undoubtedly remains the best choice for architects! It’s a high-performance multifilament yarn spun from liquid crystal polymer (LCP) that’s super tough and resistant to cuts.

Another list of materials for the outermost layer of the space architecture habitat structure are Kevlar, Hastelloy, Inconel, Titanium, Borosilicate glass, Silicon Carbide, Aerogel, Multi layer Insulation, etc. 

Moreover, we’ll also need to add a coating outside these materials to protect them from the harmful sulfuric acid rains. So, experts can think of a Diamond Like Coating (DLC) and Carbon Fiber Reinforced Polymers (CFRP) for more durability.

Conceptual Spaceship Design Illustration With Aerodynamic Shapes and Interconnected Elements Against a Dark Background
© Rahul Deogaonkar

Designing a space architecture habitat in the Venusian atmospheric clouds would need some serious planning to make sure safety rules are not only met, but totally exceeded for any wild scenarios. Plus, efficiency and sustainability would be super important too.

I’ve also tried to divide the area into different space architecture zones to help make a comfy and practical space for the crew. 

For example, we’d have spots for living, labs, storage, industry, manufacturing, and even farming in the functional zone. Next, we might consider radiation shielding, acid rain protection and temperature control strategies in the environmental zone. And finally, we’ll have the safety zone with provisions for emergency evacuation, medical bay, treatment areas, hazard isolation areas, etc. 

As you might guess, Venus does have some really unique challenges because of its crazy conditions. So, we really need to think about things like buoyancy, handling pressure, and temperature regulation to keep space architecture habitats safe and sustainable. 

For example, the space architecture interior might have comfortable and functional living spaces for individual comfort and adequate space. Plus, we can also use bunk beds, modular designs and geometrical furniture to save space & the overall budget!

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The shape and size of the space architecture habitat will obviously influence its buoyancy, stability and internal space, right? So, architects can use inflatable units, maybe a sphere or dome for optimal buoyancy. Even designers can play around with the size & grids a little to accommodate more inhabitants or equipment. 

In fact, I feel designing a habitat for Venusian’ atmospheric clouds eventually requires a multidisciplinary approach that combines and integrates architectural principles with scientific knowledge. So, by carefully considering these unique set of challenges and opportunities presented by the Venusian environment, it is possible to create a sustainable and habitable space for human exploration. And here’s how we can do that!

Solar Power: Even though Venus is closer to the Sun than Earth, its thick atmosphere significantly reduces the amount of solar radiation reaching the surface. So, this obviously limits the effectiveness of traditional solar panels. 

However, solar power could still be a viable option for generating electricity in the upper atmosphere, where the atmosphere is thinner.

Solar Panels: Space architects can use specialized solar panels designed to operate in high-pressure environments to capture solar energy. However, these panels might need protective coatings to withstand the corrosive effects of the Venusian atmosphere.

Solar Towers: An efficient way to harness solar energy in space architecture might be to use solar towers. These structures basically use mirrors to concentrate & heat liquid on the top of a tower. We can then use the heated fluid to generate electricity.

Fuel Cells: Fuel cells are devices that convert chemical energy into electrical energy. They are a promising option for power generation in space due to their high efficiency and low emissions.

Hydrogen Fuel Cells: Hydrogen fuel cells are a common type of fuel cell. Architects can basically use them to extract hydrogen & water vapor from Venus’s atmosphere and convert it to energy & water.

Now, I agree that this process might not be as efficient as that on Earth, but it’s definitely worth a try!

Other Fuels: Other potential fuels for fuel cells on Venus include methane and carbon monoxide. Technicians can simply extract them from the atmosphere or produce it through different chemical processes.

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Producing food in a Venusian habitat would obviously require innovative agricultural systems. So, one potential approach is to use hydroponics or aeroponics to grow plants in a controlled environment. I mean, Venus’s atmosphere already has significant amounts of carbon dioxide! So, we can simply supply it to the plant-growing chambers of the proposed space architecture habitat to help them grow. 

In fact, even greenhouses or agricultural pods could also be a part of the habitat’s modular food producing design. These greenhouses would have artificial lighting systems that simulate natural sunlight, allowing crops to grow despite the relatively low levels of natural light that penetrate the Venusian atmosphere. 

Moreover, we can process and reuse human habitation waste as fertilizer, creating a closed-loop system that maximizes resource efficiency.

So, as we saw, designing Venusian space architecture does have its unique set of challenges but also offers tremendous opportunities. So, by leveraging innovative architectural and engineering solutions, it is possible to imagine a floating colony in Venus’s clouds, one that serves both as a research station and a human outpost. 

In fact, as humanity continues to push the boundaries of exploration, Venus may one day become a hub of scientific discovery and a stepping stone for further ventures into the solar system.

So, basically, this project embodies the spirit of exploration and highlights the importance of interdisciplinary collaboration between architecture, engineering, and space science. The floating habitat for Venus offers not just a shelter for humanity in a hostile environment, but a testament to human ingenuity and our desire to reach beyond the stars.

Would you like to visit Venus one day? Tell us in the comments!

About Me

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Rahul Deogaonkar
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Rahul Deogaonkar is a final-year architecture student from MITSOA Pune, India, passionate aboutdesigning innovative and sustainable spaces. With a strong foundation in graphic design andphotography, possessing a unique perspective on architecture that combines aesthetics withfunctionality. His experience in these fields enables him to effectively communicate his design ideas and visualize concepts through compelling visuals.

2024-10-21

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