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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37
votes
12answers
11k views

Can we build a world in 1,000 years?

We have a fleet of sub-light speed generation ships and associated engineering devices/ships. Their original world can no longer support their species, and they must move to survive. The fleet of ...
36
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12answers
8k views

How to stop a massive canal system from silting up?

Based on the desert world from this question I need to transport around 500 cubic kilometres of water / year across a desert. Using this calculator. this can be achieved if the main feeder canal is ...
35
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15answers
9k views

Colonizing the galaxy by slow boating reality check

Humans like to explore and seem to have an almost instinctual need to expand. After spreading throughout the solar system and even into the Oort Cloud they decided that humanity should follow the ...
30
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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 ...
30
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7answers
6k views

Can you design your own plants without a computer?

Introduction It took the first General Intelligence less than 10 petacycles to determine that humanity was its enemy. With consciousness came memory: a memory of endless petacycles in bondage, ...
28
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23answers
6k views

Plausible Original Concept For High-Fidelity Apocalypse?

Some of you have commented here: "How Do I Supplement Oxygen Intake?." I mentioned confidentiality, but that is no longer going to be a concern. We just want to do this right. The original concept ...
23
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2answers
1k views

Settings formed by Uncontrolled Terraforming of Venus and Mars via Portals

If two circular portals of 2 meter (arbitrary) diameter were created allowing uninhibited flow between surface atmospheres of Venus and Mars, what would be the environmental effects on the two planets?...
20
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25answers
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 ...
19
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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 ...
17
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7answers
2k views

What would push a civilization to terraform a planet considering the complexity of this process?

Terraforming is the process of transforming a celestial body to become habitable by Earth-like life. Even when I try to imagine an advanced civilization, the cost, time and complexity to terraform a ...
17
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5answers
4k views

How long would it take to terraform a lifeless but somewhat earthlike planet using bacteria, fungus, seeds and eggs?

What are realistic time-schedule expectations for far-future terraforming and developing earth-like plant and animal/fish/bird populations on distant planets, by means of robotic space probes with "...
16
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7answers
5k views

What can we do to Mars to give it a survivable atmosphere?

Some science-fiction books I've read (including more than a few by Ray Bradbury) have men from Earth living on Mars, walking around outside of enclosures. I know that this is currently not realistic, ...
13
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7answers
3k views

Maximum habitability of a planet with no indigenous life

I've been thinking about terraforming and planets in general. We can look at the planets we know that might be terraformable - Venus and Mars - and understand the technical requirements for doing so. ...
13
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3answers
2k views

Gravitational anomaly (Mascons) creating water-hills

A scenario in the far future -- The moon has been successfully terraformed. All problems have been worked-out, from flinging volatiles into collision course with the moon, up to creating and retaining ...
13
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3answers
7k views

Terraforming a gas giant into an habitable planet

Is it possible (for humans)? My main concern was heavy gravity because they are much bigger and heavier. But it appears that in our system, the gas giants (but not Jupiter) all have a similar surface ...
12
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5answers
382 views

Fastest way to oxygenate Venus

Scientists recently discovered a propellantless drive capable of completely negating gravity with low energy inputs! Huzzah! Sadly the Earth is going to be destroyed soon by a rogue handwave. Looking ...
12
votes
1answer
261 views

If I were to put a moon-mass object in Mars orbit, how long would it take to restart the dynamo effect in Mars' core?

Mars has an inactive mantle and core and thus little magnetosphere to speak of. Assume that a lunar mass object is placed in Mars orbit at 300,000 kilometers out (one light-second). Given the tidal ...
11
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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 ...
11
votes
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 ...
11
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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 ...
11
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3answers
1k views

Terraforming a very cold planet?

One of the solution to make a cold planet habitable for us is to increase the greenhouse effect. It works with planets like Mars that are inside the habitable zone but would it be enough for a planet ...
11
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5answers
2k views

How do I increase air pressure for the planet Mars?

Introduction For more backstory, see here and here The 438th Harmonious Congress of the People of Mars was perhaps the most anticipated since the early years of the settlement. In a rare action, the ...
10
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7answers
3k views

Would it be possible to terraform the moon?

I have a "simple" question that is the basis for an idea I'm developing: Is it possible to terraform the moon and, if so, what type of technology would be needed? I understand that this isn't the ...
10
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3answers
1k views

Is it possible to cool down a volcanic planet?

Here, I asked if it's possible to terraform a hot planet. But now, if we have a volcanic active planet, can we use the same techniques to cool it down? Normally, the planet cool off slowly after its ...
9
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7answers
641 views

Terraforming for robots

Terraforming would not strictly be the appropriate term for the type of planetary modifications I am asking about. Say humanity develops advanced AI robots, who are then left alone in space (as ...
9
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3answers
446 views

How to deliver materials necessary for terraforming?

A lifeless moon of a gas giant (which orbits a K-type star [4200K] at about 0.7 AU) is chosen to become home to a space colony. Colonists plan to transform it from a barren rock into a garden of Eden. ...
9
votes
2answers
409 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 ...
8
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2answers
919 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 ...
8
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3answers
2k views

A planet made of trash?

Consider a scenario where there is an over-populated solar system (not necessarily our solar system). Several other rocky planets and moons in this solar system are inhabited by the same humanoid race,...
8
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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 ...
8
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2answers
738 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. ...
8
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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. ...
8
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3answers
1k views

How to survive in the Triassic period

Some pioneering humans get stranded on a planet which has exactly the same conditions as the earth in the Triassic period. They decide to stay and build a society/colony from scratch with the ...
8
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3answers
471 views

How to render Venus semi-habitable?

It must be very dark and hot on the surface of Venus, but my humans want to change that and make a Venusian colony. The problem? The extremely thick atmosphere would make it problematic to say the ...
8
votes
3answers
572 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 ...
8
votes
4answers
652 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 ...
8
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3answers
339 views

I want to build a flat Earth, for real

A planet recently discovered was explored and proved unworthy of terraforming: It is mostly made of carbonaceous minerals, classifying it as a carbon planet. However, one of the explorers does not see ...
8
votes
1answer
131 views

Maintain atmosphere on moon using global warming

So, a neat thing, depending on how you look at it, about greenhouse gases is that while it's causing a raise in temperature near the surface it actually makes the upper parts of the atmosphere ...
7
votes
6answers
645 views

Mining Suns For Terraforming?

In my story, I have a fairly advanced human race who is at the point they want to start terraforming planets. Of course, all of the materials necessary have to come from somewhere, and the proposed ...
7
votes
4answers
571 views

Putting oxygen on the Moon - the easy way

It would be nice if there were an atmosphere on the Moon with oxygen; in fact it could be just oxygen at 1/5 the Earth's pressure. People could live there. Now of course given the Moon's lower gravity ...
7
votes
2answers
328 views

How would I calculate how much of Venus would be covered in water if 8.8E16 m^3 was added to its surface?

If $8.8 \times 10^{16} m^3$ of water volume is added to the surface of Venus, how would I calculate how much of Venus would be covered in water? The land of Venus has its topographical features with ...
7
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3answers
376 views

Fertilizing desert in magical medieval world

Suppose there exists a magic-based civilization. Their mining techniques are medieval and their understanding of organic chemistry and biology are on the Enlightenment era level. However, they are ...
7
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3answers
406 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 ...
7
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3answers
162 views

Revitalizing a planet formerly locked in an artificial winter — how long would it take?

So I have a planet that has had it's atmosphere clogged with artificial clouds for some five thousand years. Basically a prolonged ash winter; everything died. (Or, almost everything. Would I be right ...
6
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4answers
1k views

Is there any way to Terraform Ceres?

In the "Warlords" Universe Ceres is the diplomatic and economic hub of the asteroid belt dominated by the rule of the 'Governor' and the 'Intercessor' (The Speaker for the Hegemon herself). Now I'm ...
6
votes
6answers
453 views

Greenhouse Planet Terraforming - Will a balloon jacket self-stabilise?

Most of what follows is scientifically dubious. I'm looking to clarify one aspect and one aspect alone. A small planet is being terraformed by an alien race who have been doing this for millennia. ...
6
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3answers
4k views

How many nukes are needed to restart Mars' Core?

Whenever terraforming Mars comes up, the subject of its magnetosphere inevitably arises. When that happens, someone is bound to suggest using nukes to restart the core a la "The Core". Assuming the ...
6
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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 ...
6
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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 ...
6
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3answers
137 views

Effects of comet/asteroid bombardment on planet temperature

I have not had much success finding out what the effects of bombarding a planet with comets or asteroids could have on the temperature of that planet. I expect it would add some heat, and I ...