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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2
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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, ...
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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. ...
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1answer
128 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 ...
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1answer
130 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 ...
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4answers
243 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 ...
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5answers
167 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 ...
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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 ...
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2answers
232 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 ...
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4answers
514 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 ...
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10answers
886 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 ...
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1answer
113 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 ...
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1answer
176 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 ...
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3answers
399 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 ...
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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 ...
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3answers
354 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 ...
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4answers
398 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 ...
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2answers
392 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?
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2answers
119 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
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2answers
440 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 ...
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1answer
141 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 ...
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4answers
159 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
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5answers
406 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 ...
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1answer
114 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
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2answers
208 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 ...
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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 ...
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5answers
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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 ...
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3answers
512 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 ...
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1answer
157 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 ...
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2answers
96 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 ...
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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 ...
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2answers
214 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 ...
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2answers
257 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 ...
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1answer
188 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 ...
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2answers
297 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 ...
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7answers
636 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 ...
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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 ...
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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 ...
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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 ...
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3answers
314 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
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2answers
212 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
253 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
146 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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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 ...
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2answers
259 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
204 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
686 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
570 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
447 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 ...