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Questions tagged [terraforming]

For questions about the process of turning a barren space (such as a planet, moon, or asteroid) into a habitable one.

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2answers
221 views

How could colonists living above Venus lower the temperature at 1 bar atmosphere to 70-80 Fahrenheit?

In the book I am writing, I am going for a a partially terraformed Venus setting. I like the concept of floating cities, but I want to be able to make it a little easier to live up there. If colonist ...
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1answer
258 views

How long would would it take algae to spread through the sea

Our intrepid interstellar crew arrive in a new solar system. The find a planet in the Goldilocks zone. However the planet has no life, but is otherwise earth like*. The atmosphere is 80% nitrogen, 20% ...
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1answer
148 views

How much perfluorocarbons can a space-worthy civilization produce? Will this substance become indispensable resource for terraforming? [closed]

Fluorocarbons have three very important properties that may make them very important in future terraforming. They are the most potent greenhouse gases, which allows to warm up cold planets such as ...
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24answers
4k views

Why would terrorists target terraforming?

Humanity has spread through part of the galaxy, but population still grows and the need for new land is never sated. A consortium of transnational corporations has been contracted by a government to ...
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2answers
265 views

Rebuilding Life on Earth from Scratch

Suppose, in the future, an alien species (I'll refer to them as the Destroyers) develops an extreme dislike for humanity. The Destroyers track human ships back to Earth and take actions that lead to ...
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1answer
134 views

How can a planet be deadly to some species without advanced technology? [closed]

Earth is an amazing planet. We managed to spread over its entire surface with only Stone Age technology (which, in the event of infrastructure collapse, is likely all most of us would be able to ...
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2answers
206 views

Making Mars more massive

One problem of Mars is that due to its low mass it cannot hold an atmosphere well. Therefore I now got the idea to start the terraforming process by increasing its mass to Earth mass, or at least ...
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4answers
697 views

How to terraform Pluto

For a story I have, there is a colony of aliens living on Pluto. Currently, they are living on a small area of it inside a large dome with a fake sun. They thrive in arctic conditions, and are ...
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11answers
412 views

What might cause an exoplanet to be uninhabitable for periods, that is not obvious to potential colonizers?

I am writing a science fiction short story, which is loosely about terraforming. The drama takes place on a terraforming site, which has been halted, in its early phases, due to the discovery that the ...
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3answers
582 views

How could we create a pressure bubble on Mars without walls?

Thinking of terraforming a localized region, how (if possible) can we create an artificial high pressure zone, whether practical or not, Initially I thought, perhaps we can arrange heatsinks to ...
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4answers
458 views

What would the average terraformable planets look like?

Let’s say that a "terraformable planet" is a planet who : is in the goldilock zone of its star(s) has around the same gravity as Earth has a solid surface covered with minerals not too toxic for ...
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10answers
2k views

What would come first, the colonization of the solar system or interstellar colonization?

I have a world (around 3000-3500ad) where human race is spread across various planetary systems - so interstellar travel it's possible. The interstellar travel is possible via a Bussard Ramjet which ...
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1answer
178 views

Mars restarting/ heating the core? [duplicate]

As a planet's core's heat is mostly a result of nuclear decay. Would (leaving the question of how to drill to such a depth aside) adding nuclear waste to the core of a planet, such as Mars, melt the ...
3
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1answer
56 views

Can we control an astronomical object? [closed]

Are there asteroids, comets or any other type of astronomical object that we can control, so we can determine its direction? Just think about the possibilities. With the right astronomical object we ...
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3answers
637 views

How would we terraform Mars?

Background: Interest in the red planet is re-surging. For example, Elon Musk has said he will lay out a detailed plan for Mars colonization this September. Question: Assuming the next step in space ...
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1answer
588 views

Genetically modified foothill plants to terraform Mars

Which plant will be able to survive the condition on Mars? Does it even matter, isn't it just possible to genetically modify a plant so it can easily survive on Mars? What kind of genetically modified ...
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2answers
928 views

Dead bodies on a partially terraformed planet : Would they rot or dry?

The planet in question is Earth-like in size and composition and orbits a Sun-like star. Its atmosphere is less than 5% Oxygen and plants (lichens, some grass and river vegetation) have started ...
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2answers
2k views

How were swamps drained in early modern/colonial societies? [closed]

Right now I'm trying to build a colonial setting for an RPG, in which a group of farmers accidentally uncovers some ruins of great power buried under a swamp while draining it. Before the swamp is ...
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2answers
448 views

What are the limitations of silver?

In this world, a bunch of wizards colonized a new planet and are in the process of terraforming it (more details here). This newly-created civilization has access to a reduced variety of materials. ...
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3answers
444 views

Terraforming Mars with a comet

A few days ago, I was roaming around Wikipedia and came across something, this comet came extremely close to Mars for astronomical standards recently. I'm also working on a science fiction universe ...
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2answers
748 views

How should the Magic market be regulated?

Context Wizards built a civilization on a barren planet. More details here. Magic Batteries The population of the planet is between two and four million wizards, but not all of them are born equal. ...
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4answers
1k views

Space wizards city : Is it sustainable?

Context Six thousand years ago, magic users from Earth managed to create a portal between Earth and another planet, far far away. This planet is Earth-like but developed no life forms whatsoever. ...
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12answers
6k views

How to wrap the Moon in plastic to make her a giant, supported by the atmospheric pressure, greenhouse

Moon's surface is about thirty million square kilometers large. That's a lot of plastic, but no bigger effort than many other terraforming projects we have discussed. Description: A global bubble ...
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7answers
4k views

What's the quickest way to add oceans to a planet?

After writing this question about the ecology of a terraformed planet, I realized that I hadn't quite tied up all the loose ends of the terraforming process itself. I intended for a group of aliens ...
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1answer
54 views

How fast could microalgaes photosynthesize and generate oxygen? [closed]

In other words, how much of what volume of what mix of microalgaes would be enough to terraform an earthlike planet in, say, 100 years?
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2answers
173 views

What organism would be needed to make mars hospitable?

question 1 : What type of organisms would we have to place on mars for its atmosphere breathable for large mammals ( and human beings Question 2 : are there any organisms that could transform ...
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1answer
941 views

What colors of the sky can humans breathe? [closed]

Apologies for the extremely weird title. Admittedly, it describes my question well. Now, I'm making a universe where humans have discovered the big secret to space travel. It's actually pretty simple;...
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7answers
4k views

Why terraform at all?

We Earthlings like to live in gravity wells but also have a taste for the exotic and are a bit lazy. Why not make colonies that take advantage of local conditions? Cloud cities over Venus, much less ...
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7answers
393 views

Reactions of scientists on Mars quick transformation

Inspired by this question: https://worldbuilding.stackexchange.com/q/32798/2071 God of the Bible exists and because He works in mysterious ways, He decided to prove his presence, by terraforming Mars,...
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3answers
409 views

Will my worlds not be salty enough to support animal life?

I read on the cooking.stackexchange site that all natural salt on Earth was created by seas and oceans, starting with primordial oceans four billion years ago. This got me thinking about my fictional ...
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0answers
223 views

How could I start a crowdfunding campaign in order to Terraform Venus? [closed]

Venus is actually a better candidate for colonization in some regards thanks to its proximity to the Earth, thick atmosphere, and Earth-like gravity, and like the Earth, it resides within the solar ...
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3answers
452 views

Effective way to recreate a magnetosphere on Mars with current technology

Our Earth and Venus each keep a thick atmosphere because of a magnetosphere. Most terraforming scenarios of Mars involve transferring water and other gases from the ground to the atmosphere. We now ...
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1answer
94 views

Woodland growth on a semi terraformed world

I am trying to imagine a scenario in which there is a world that has been terraformed in so far as it has water and oxygen but there is only one area which has been established as a strong foothold ...
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2answers
422 views

Architecture of richest person's house on the moon

Background Several hundred years from now, humans have successfully terraformed the Moon. It has become a fad for the rich and powerful to have exotic residences built in exotic locations. The ...
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2answers
269 views

How much time would it take Mars to cool enough to be habitable by humans after a gigantic planetary impact?

Let's say humankind terraforms Mars aggressively, increasing the planet's mass (and gravity) to Earth-like levels and causes its core to produce a significant magnetosphere. For example, perhaps they ...
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2answers
355 views

Colours on Mars

I am making a short story about terra forming mars. What colour would the plants and sky be if that were to happen? And what colour would a setting sun have?
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4answers
659 views

Breathable Mars?

I'm working on a far-future SF story taking place on a terraformed Mars and would like a fact check. Current estimates (see here and here) are that the CO2 on Mars could be released in gas form to ...
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4answers
836 views

Could we move and terraform the planet Venus?

Ok, so the Earth is filling up, finite resources, and as we all know, there are no plans for us to reduce our resource hungry ways,...and Mars has no magnetosphere apparently which means we couldn't ...
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1answer
168 views

Martian Terraformation [closed]

This have already been answered in several questions. See the comments for details. I wonder what would it would take to bring Mars back to life. I've done some Googling and haven't found anybody ...
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4answers
417 views

How to remove water from a planet during terraforming?

I'm working on a project involving terraforming, and I'm compiling a list of techniques for various goals. Most of them are well-documented in terraforming circles, but one area I've found that seems ...
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4answers
315 views

How can I get soil for my Martians?

We've created a series of mechanisms to terraform the temperature and atmosphere to be Earthlike. My geologists are screaming at me, because a lot of features are being rapidly eroded by the new ...
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6answers
1k views

What are the minimum set of physical characteristics to define an Earth like planet?

Introduction I have a vague notion of building some sort of strategic space game. Similar to other strategic games, locations are assigned value based upon some abstract evaluation. Following in ...
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5answers
471 views

Project Noah: Blue Mars

Set in the 23rd Century, space tourism has matured. The scientists gathered at a summit to discuss plans for terraforming Mars, therefore the Mars colonists living inside a temporary biosphere will ...
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2answers
501 views

What would've happened if we used Europa's water to integrate into Mars atmosphere?

Lets assume we as humankind can, not only wormhole the spacecraft, but planets and moons. So, what would've happened to Mars if we pulled icy Europa closer to the sun, we might use our flaming star to ...
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6answers
449 views

Melting the core [duplicate]

I have suggested that you could use antimatter to melt the core of Mars and restart the magnetic "dynamo", but it occurs to me that I never really considered exactly "how" you could do this. Melting ...
5
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1answer
680 views

Can I trigger an “ancient device” to start the process of terraforming Mars?

Let's say that an advanced civilisation once existed on Mars millions of years ago at a time when water existed in liquid form and that life was abundant on the planet. (Say this civilisation is a ...
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2answers
1k views

Would it be possible to shift Titan from its current orbit into an orbit around Earth for terraforming purposes?

What are the challenges involved in such a project? Could you use an asteroid re-direct style mission to do the job, or use some sort of fuel based thrust etc. Please limit answers to those ...
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2answers
151 views

Artificial star satellite

Related : Artificial star Instead of creating a literally artificial star, i want to create a satellite that has a fusion plant inside it and lots, LOTS of high power lights outside shining towards ...
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5answers
1k views

Sci-fantasy; terraforming the earth, and magic nanomachines

Well I was in the process of designing a world for my new RP. I briefly had the idea that this world could be a psuedo-sci-fi far-flung future Earth but eventually dismissed it, because I wanted too ...
4
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2answers
521 views

What would we buy for our new planet? [closed]

I recently read that the combined wealth on earth is £146 trillion. If we divide that by the worlds population of 7 billion we get approximately £21k. My question is If the human race was transported ...