Questions tagged [terraforming]

Questions regarding the artificial creation of Earth-like conditions on another celestial body.

Filter by
Sorted by
Tagged with
54
votes
4answers
16k views

Would terraforming Mars be possible?

Mars is a planet commonly brought up when talking about terraforming. Even if we were to manage to get past all economic barriers, and somehow form a thick atmosphere, would the lack of a magnetic ...
47
votes
7answers
70k views

How would it be possible to kick start Mars's magnetic field?

Jumping from this question about terraforming Mars, how would one mitigate the main obstacle, namely Mars's lack of a magnetic field? Are there any hypothetical processes that might restart Mars's ...
16
votes
5answers
3k views

Can Venus be made habitable?

Atmosphere of Venus consists predominately of Carbon dioxide and Nitrogen. Is it possible to convert the atmospheric Carbon dioxide into Oxygen with the help of bacteria by photosynthesis, and make ...
10
votes
2answers
1k views

How could an induced magnetosphere be created at Mars for terraforming?

In the long run Mars needs a magnetic field to keep a thick atmosphere and for radiation shielding, if humanity were to terraform it. Starting a dynamo in Mars' core seems forever impossible, but a ...
14
votes
2answers
6k views

Place a satellite at Sun-Mars L1 to shield Mars from Sun radiation

Instead of placing many magnetic satellites close to Mars to artificially generate a magnetic field to protect Martian colonists from harming radiation, we could place a magnetic satellite at ...
36
votes
5answers
26k views

Which planet or moon would be most feasible to terraform? [closed]

In terms of practicality, which of the planets proposed for terraforming would require the least resources to make fully habitable? In other words, which would be the most practical given technology ...
32
votes
4answers
8k views

Could the Moon keep an atmosphere?

When we think of terraforming a body in our galaxy Mars gets lots of consideration as the closest potential body. But what about the Moon? It is currently beyond our ability to add an atmosphere ...
1
vote
6answers
15k views

How would we move Venus or Mars into Earth's orbital zone? [closed]

(See the more focused version of this question: How long would it take to move Venus and Mars into Earth's orbital zone using gravity assist?) What methods and time scales might be involved in moving ...
7
votes
1answer
664 views

How deep a valley or trench would be needed on Mars to provide the same atmospheric pressure as 6 km above sea level on Earth?

Atmospheric pressure increases the deeper you go & the highest growing plants on Earth have been found at a height of 6 km so how deep a trench would we need on Mars to provide similar air ...
1
vote
3answers
632 views

Could a powerful enough laser or maser heat the core of Mars?

I think that if we could build a powerful enough laser/maser to heat the core of Mars up and melt it, it could generate a magnetic field, which would allow for easier living on Mars. Could this be ...
5
votes
5answers
2k views

Would it be possible to deploy a man-made magnetic field in Mars orbit for terraforming? [closed]

I know terraforming Mars has been a topic of discussion for a long time. One of the larger obstacles is the planet's weak magnetic field, which if I understand correctly is integral to containing an ...
14
votes
2answers
1k views

Why not bring life to Venus along with the next exploring mission?

Why not bring cyanobacteria and fertilizer to the atmosphere of Venus to improve conditions for life there by producing oxygen ? Planetary protection could be a reason. According to Wikipedia: ...
10
votes
1answer
8k views

If Mars had more atmosphere how warm would it be?

Looking at Venus, Earth and Mars, the closer you are to the sun the warmer you are. At the same time the warmer planets also have thicker atmospheres. ...
2
votes
2answers
407 views

Artificial Magnetosphere to Terra-form Mars?

I was reading a 2017 article on a potential that Mars could be terraformed using a magneto-tail; A Future Mars Environment for Science and Exploration. This would basically entail sticking a giant ...
1
vote
0answers
121 views

Would the EMP from atmospheric polar nuclear detonations on Mars felt by orbiting spacecraft be larger or smaller than (if it were) on Earth?

Gizmodo's Watch Elon Musk Describe Terraforming Mars to Stephen Colbert links to the video (shown below). Their second article Elon Musk Clarifies His Plan to "Nuke Mars" quotes Musk from a SolarCity ...
15
votes
5answers
2k views

Venus vs Mars for colonization

Why is Mars getting so much attention vs Venus, which to me seems like a much more attractive option, in regards to habitability. I've read that the upper atmosphere of Venus has the most Earth-like ...
12
votes
3answers
5k views

Changing the rotational rate of a natural body

Let's say that for the purpose of terraforming, we need to speed up the rotation of a planet (like Venus), a moon or an asteroid to near Earthian day. How would we go about doing this? Can this be ...
15
votes
3answers
2k views

Is a magnetic field really needed to terraform Mars?

I see so many discussions about how the main roadblock to terraforming Mars is its lack of a magnetic field. If Mars had an atmosphere as thick as Earth's but no magnetic field, wouldn't it still take ...
6
votes
1answer
341 views

What type of rock or soil on Mars will give Nostoc Commune cyanobacteria the best chance to survive there?

Photo taken by YAMAMAYA Cyanobacteria are a group of photosynthetic bacteria, who use the energy of light to synthesize organic compounds from carbon dioxide, and producing oxygen this way. Nostoc ...
5
votes
1answer
214 views

What lunar legalities are currently in place?

I'm curious what treaties, if any, are in place as far as restricting military, engineering, or scientific applications on the lunar surface. e.g. Assuming someone definitively discovers there's ...
8
votes
1answer
973 views

How strong a magnetic field does Mars need to contain Earth-like atmosphere?

A quick follow-up to How would it be possible to kick start Mars's magnetic field? For example, the Venerean atmosphere is contained by merely an induced magnetic field. How powerful would ...
5
votes
1answer
240 views

Removing perchlorate from Mars surface soil

It's known that there's a lot of perchlorate contained in Mars' surface soil. But could we take the toxic part out and make it become plantable? If so, how might this be done in a practical way on ...
5
votes
1answer
2k views

Could we fly on the Moon in Xenon?

The Moon is not capable of keeping an Earth like atmosphere, nor is it practical to keep satellites in lunar orbit. Which means all transportation and communication would need to be ground based. No ...
4
votes
1answer
244 views

What's the deepest a trench could theoretically be dug on Mars?

Given the physical characteristics of Mars (the crusts thickness, it's composition, gravity, etc) how deep a trench (that could be expected to continue to exist indefinitely, or rather, for periods of ...
3
votes
0answers
711 views

Artificial magnetic shielding for Mars feasible?

According to this article, the Martian atmosphere can be saved from being dispersed into space through an artificial magnetic shield. I'm interested in knowing the costs and mechanics that can make ...
3
votes
2answers
653 views

Bombing Moon and Mars: What would it look like?

To me it seems surprising, frightening, and sadly typical that before humans set foot on a celestial body, they plan to nuke it (1, 2, 3). What would a big explosion on Moon or Mars look like? I ...
1
vote
0answers
105 views

Could not silica aerogel dramatically increase the atmospheric pressure on Mars?

In the NASA article Want to Colonize Mars ? Aerogel Could Help a study about the potential of aerogel as a building material on Mars is reviewed. In an experiment 2-3 centimeters of silica aerogel ...
1
vote
2answers
633 views

What is stopping us from starting to terraform Mars right now?

Mars has stational liquid water on its surface, a CO2-rich atmosphere and its soil might lack some nutrients that plants need to grow there. So, what is stopping us from filling a rocket with seeds ...
1
vote
1answer
208 views

Can it be realistic to build a artificial magnetic field around Mars? [duplicate]

I was wondering how realistic it is to build an artificial magnetic field around Mars using electromagnetism. So my question is; what kind of current would be needed in a loop around Mars' equator to ...
0
votes
2answers
174 views

How will Mars terraforming missions really work, how do pioneers like SpaceX plan on conquering Mars? [duplicate]

We know Mars is now dead in the water (or space), it is now merely an oversized rock hurtling through space, with a bit of atmosphere. I was reading up on terraforming the planet, and learned that ...