We’re rewarding the question askers & reputations are being recalculated! Read more.

Questions tagged [terraforming]

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

Filter by
Sorted by
Tagged with
35
votes
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 ...
1
vote
1answer
161 views

What keystone species would be necessary to create a sustainable ecosystem on a barren planet? [closed]

In my world humans have found a barren planet that is capable of hosting life. What species do they send down to establish a sustainable ecosystem? Just a few or thousands? How many species of plants ...
12
votes
1answer
264 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
votes
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 ...
9
votes
3answers
452 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. ...
30
votes
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, ...
6
votes
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 ...
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 ...
-4
votes
1answer
385 views

How to colonize icy planets with subsurface liquid water (Titan, Callisto, Ganymede, Europa,Ceres, Enceladus)? [closed]

How to colonize icy planets with subsurface liquid water (Titan, Callisto, Ganymede, Europa, Ceres, Enceladus)? TLDR: How would humanity colonize icy moons of Gas Giants? It's the future. Mars has ...
36
votes
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 ...
2
votes
4answers
530 views

Roughly how much water would my desert civilization need every year?

In my desert canal world all water is supplied from the poles to the temperate zones via a canal network. I want to work out the amount of water that that is needed, so that I can work out the ...
2
votes
0answers
96 views

How can we maintain earth's oxygen level without the help of plants? [closed]

After reading this question, I started wondering if we could maintain the current oxygen level of our planet with giant electrolysis factories, if all plant life were to suddenly disappear, ...
13
votes
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. ...
8
votes
1answer
135 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 ...
5
votes
1answer
131 views

How would Mars' orbit be affected if it had double its mass?

I have one idea for a planet which may turn out to be a massively reengineered and terraformed Mars, which would have double its mass to be more Earth-like, an installed magnetosphere, etc. It would ...
5
votes
4answers
254 views

Could a partially-terraformed planet be habitable?

The method of terraforming I'm thinking of is hauling the minimum required load of compost to the world to be terraformed, dump it on the planet's surface and seed it with plants that are hardy in an ...
3
votes
5answers
172 views

Agriculture on Terraformed World with Slow Rotation

Pallas is a large planet full of vast oceans and islands. Humans have terraformed the planet so the soil and water are fine. The issue I am running into is growing food (there is no livestock, this is ...
1
vote
4answers
141 views

Remapping Oceans with Tectonic Shifts

Let's say you have a narrow section of ocean (relatively narrow) and you want to raise it up above the water. Would it be possible to do this by messing with the tectonic plates--say, tipping one ...
2
votes
2answers
243 views

Terraforming Mars, Hellas Planitia with comets at Mars L1

Using comets at Mars L1 point, allowing the tail to constantly add to the atmosphere in both volatiles and increased temperature from the infalling matter, as well as blocking the solar wind which ...
1
vote
4answers
543 views

How to move a continent?

In the future, the world is suffering from overpopulation. Scientific advancement has made Antarctica tolerable (think more like northern Alaska), but it's still petty useless land, so most of it is ...
4
votes
10answers
895 views

Conditions for ideal/quick terraforming candidates that cannot currently support life

I'm looking to have a few worlds that were relatively easy to terraform as a first wave of colonies. The first colonies in this setting were meant to be on worlds that were relatively easy to ...
2
votes
1answer
118 views

Harvesting solar wind particles for atmospheric accretion on the moon

I got inspired by a recently posted question dealing with an artificial magnetosphere to protect Martian atmosphere during and after terraforming. Earth's magnetic field does funnel solar particles ...
0
votes
1answer
177 views

Terraforming Mars

Here's my idea, tell me if it's feasible or what's wrong with it. To make Mars hold an atmosphere indefinitely, it needs a magnetosphere to protect it from solar winds. If someone were to hollow it ...
4
votes
3answers
414 views

Warming up Mars

The vast majority of the sun's energy is wasted -- the light and warmth are sent out in a spherical shape, and the planets only pick up those little bits of energy that happen to be going in the right ...
-3
votes
2answers
122 views

Multi planet and moon orbit exchanges [closed]

If we pushed Mercury out of orbit for a close fly by of Venus in order to put Mercury in roughly Venus's orbit while flinging Venus to swing by Mars. Which will pull Mars's orbit a little closer to ...
1
vote
3answers
355 views

How would the 20 most powerful Earth governments react to aliens fuzing Mercury and Venus with Mars, then cooling, terraforming, and colonizing it? [closed]

How would the 20 most powerful Earth governments react to aliens fuzing Mercury and Venus with Mars, then cooling, terraforming, and colonizing it? They appear from nowhere, and with the use of ...
2
votes
4answers
455 views

What are the energy requirements of moving some of Venus' atmosphere to Mars?

Say we built two large scale portals and sent one to Venus and one to Mars much like in this question but with portals large enough that mass flow rates are not an issue seeing as nobody wants to wait ...
4
votes
2answers
401 views

Why would anyone consider terraforming Mars, considering it can't hold onto water vapour?

From this graph it can be seen that Water Vapour can never be held by the Martian gravity, and would escape into space. How would future terraforming processes overcome this loss?
2
votes
2answers
120 views

What would be involved in generating an artificial magnetosphere for planet Mars? [duplicate]

NASA says they can terraform Mars by hypothetically giving Mars back its Magnetosphere. What would this process involve? I want to explore it in sci-fi stories. Would the magnetic field be created as ...
5
votes
2answers
452 views

Terraforming a low oxygen Earth-like planet

My colonists have been terraforming a planet for centuries. They chose this exo-planet for its many earth-like qualities (size, gravity, Goldilocks zone, volcanos, similar sun). However, it is like ...
2
votes
1answer
143 views

Using a dense material to strip away some of Venus atmosphere

I want to partially terraform Venus, enough to make it feasible to mine minerals etc,. there. To do this I need to do a few things but for this question I'm focusing on stripping away at least some of ...
1
vote
4answers
163 views

Rocky core, internal ocean, ice crust, external ocean

So I writing a story where we terraform Titan using super heavy green house gases where the lower part of the atmosphere near the surface stays warmer. Because of this, a portion of the moon's icy ...
5
votes
5answers
416 views

Local terraforming

It's a popular Sci-fi theme to terraform Mars (or sometimes Venus), but both need a lot more than just a breathable atmosphere to be habitable, almost to the point of impracticality. Mars receives too ...
-3
votes
1answer
116 views

What foliage would grow best on a terraformed Moon? [closed]

Assuming that: There are all climates found on earth There are no diseases All plants grow to their mature age The moon has a very thin atmosphere
3
votes
2answers
209 views

Is it possible to terraform the Moon and if so how soon?

I am writing a novel covering Terraformation and this is an obvious topic to cover. The estimated cost would also be nice as my novel uses many "What if?" situations. The terraformation would create ...
0
votes
2answers
1k views

What would a completely terraformed Mars look/behave like? [closed]

A Mars with an atmosphere, oceans, flora and fauna, and capable of sustaining human life? How would such a Mars possibly behave? Knowing that Earth and Mars are quite similar but also have large and ...
5
votes
5answers
1k views

How would we choose which species to populate Mars with?

As has been shown many times, once a species "escapes" into an environment, there's no reeling it in. So choosing the right species to terraform Mars is incredibly important. How would we choose the ...
5
votes
3answers
532 views

Start to terraform Venus [closed]

What is a possible way of making Venus more habitable by getting rid of at least some of the thick atmosphere and thereby lowering the pressure and heat. At this point all I can think of is some sort ...
-1
votes
1answer
161 views

What would be the first form of government to form a post scarcity society/economy [closed]

It is the far future and the earth is no longer suitable for human life. All the major forms of government (Democracy,Republic,Monarchy,aristocracy,Dictatorship, Democratic Republic) have spread to ...
3
votes
2answers
97 views

How could Earth's geography be altered by multiple asteroids? Evacuated and later repopulated [closed]

I am curious if anyone has feedback about a scenario in which, say 500 years or so in the future (assuming AI and biotechnology and interstellar travel are all advanced), a series of asteroids is ...
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 ...
1
vote
2answers
217 views

Using temperature to contain an atmosphere?

So, I was looking at the temperature variations in Earth's atmosphere and noticed that it gets extremely cold in some of the upper portions. So I was wondering, could a low gravity world hold onto an ...
6
votes
2answers
261 views

Moving asteroids into a planet's orbit to increase rotation to produce a magnetic field

I was doing research on the terraforming of planets with a solid iron core and no magnetic field and saw a few suggested ideas for starting a magnetic field on Mars that got me thinking. Most of what ...
1
vote
1answer
189 views

Could nuking the poles of exoplanets or planets in the solar system be an effective method of terraforming them? [duplicate]

To cause a nuclear winter (where the emissions of the nuke block out the atmosphere and create a long lasting period of winter) you need to set off only 100 nukes in quick succession. This made me ask ...
1
vote
2answers
299 views

Dealing with Aboriginals [closed]

Before I begin this post, I wish to pay respect to all Aboriginal peoples, past, present and future and this question is not here to infringe on their cultural rights but rather understand how to ...
3
votes
7answers
641 views

How to explain Earth-like gravity in small asteroids?

I'm working on a sci-fi game about conquering little asteroids (about 1 km diameter). You can go into one of them and make it Earth-like so other humans, animals or plants can live there. To do this ...
7
votes
6answers
658 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 ...
28
votes
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 ...
7
votes
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 ...
3
votes
3answers
321 views

Holding in an atmosphere primarily using a magnetic field

Assuming it was possible to create an artificial magnetic shield on the moon, would it be possible that a sufficiently powerful field could hold onto an atmosphere despite the low gravity. Thanks