Questions tagged [mining]
Questions about the extraction of materials from other planets or asteroids.
121
questions
2
votes
1
answer
172
views
Could Phobos or Deimos be a good target for mining?
Phobos could be loaded with iron, magnesium, and other metals of sorts. Because of the mineralogy of the moon, could it become a useful target for future plans similar to asteroid mining?
Phobos and ...
- 67
0
votes
2
answers
197
views
If we could mine asteroids, how would we get the stuff mined from said asteroid back to earth?
I was thinking of some contraption that would suck up the material from said asteroid and put it in some type of container thingy that would then be transported to a shuttle that would then get sent ...
- 67
3
votes
1
answer
162
views
Could asteroid mining benefit human kind?
If we ever set out into space to mine stuff like asteroids, and utilized the resources from said asteroid, would we be a more advanced civilization (when I mean advanced I mean like building stuff ...
- 67
3
votes
2
answers
1k
views
Using Dragon and Polaris Dawn to dock with near Earth asteroids
There is a planned launch from SpaceX called Polaris Dawn; for a modified Dragon capsule, currently planned for early summer 2024, with the ability to depressurize and allow astronauts to do a space ...
- 411
2
votes
1
answer
57
views
How much is the estimated amount of ilmenite present on Lunar surface?
I wanted to gauge estimated amount of ilmenite that can be extracted from Lunar regolith. From that, ultimately I want to derive the amount of oxygen that can be extracted out of it. Any estimate or ...
- 117
3
votes
1
answer
138
views
The reason for using TiN on the perserverance's drill
Why did NASA use TiN coating for Perseverance's drill instead of coatings like TiAlN, AlTiN, TiAlCrN?
I'm aware of the point of the TiN coating in terms of contamination, but it's a broad topic. ...
- 31
4
votes
1
answer
155
views
Could mirrors used in a Dyson Swarm be made from asteroids in the inner asteroid belt?
In this video from Kurzgesagt they said that one would need to disassemble a whole planet to build a Dyson swarm around the sun.
The video went on about mining Mercury and using the materials ...
- 6,150
3
votes
2
answers
180
views
What is the prevalence of nitrogen, phosphorus, and potassium in the asteroid belt and in comets?
As someone with a light background in controlled-environment agriculture, I'm familiar with the importance and use of N/P/K in growing useful plants. This got me thinking about how common these ...
- 516
1
vote
0
answers
40
views
Will Ataxite be the type of nickel-iron sought for asteroid mining?
The high value metals in meteorites and asteroids - mostly Platinum Group Metals - appear associated with the nickel content (The Occurrence of Platinum in Meteorites, F. G. Hawley,1939), ie the ...
- 1,092
4
votes
0
answers
174
views
What could we produce with a space based industry?
The astroid belt is great place to start humanity’s journey through space. I want to know, what materials and items could be produced from asteroids. I’m mainly going to ask for useful items, such ...
- 201
2
votes
1
answer
175
views
How could we extract xenon from asteroids and comets?
Xenon is a propellant for next which is a very good thruster. VASIMIR, which uses much more abundant hydrogen is under development and may not ready by the time we run out of resources. So, how ...
- 201
4
votes
3
answers
1k
views
A Philae Lander (like) anchoring harpoons on M-Type (metallic) asteroid. Can a nail gun and the effect of Cold Welding be a working solution?
Everyone knows what happened to Philae lander (Rosetta mission). It is hard to predict the reliability of anchoring points before we know surface conditions on the asteroid. On the other hand, it is ...
3
votes
1
answer
1k
views
How to maintain balance and center of gravity when pushing a 100-ton piece of asteroid?
I understand that rotating momentum around a fixed axis can help with the center of balance. But is it enough?
In my case, a space tug has to burn its engine for 1 min, accelerate a 100-ton piece of ...
0
votes
1
answer
148
views
What would be the most fuel-efficient propulsion solution to accelerate a 100-ton piece of NEO asteroid towards Earth?
We need acceleration to about 300-500 m/s relative to an NEO asteroid - to get to an LEO.
What is needed is the lightest package possible, that includes engine, fuel tanks, control module and ...
-1
votes
2
answers
183
views
1 kiloton nuclear device to clear up debris and dust to expose the iron-nickel core for open-pit mining (on M-Type asteroids)?
My understanding is that initial acceleration from the blast and following solar wind will clear the area around the asteroid for spacecraft navigation (in reasonable time). A 2-3 kilometer M-type ...
anon
-4
votes
2
answers
232
views
Can Nuclear Pulse Propulsion (Project Orion) accelerate a 100,000 ton M-type (metallic) asteroid to a LEO? [closed]
Project Orion: specific impulse in the range of 6,000 seconds.
For example – Starship Interplanetary (SpaceX):
Max Fuel (after refueling at orbit) - 1,950 ton
Fuel left after arriving at NEO asteroid –...
anon
1
vote
3
answers
433
views
Could we by ordinary mining activities, affect the Lunar orbit?
In The Time Machine (Guy Pearce version), they manage to literally break up the Earth's moon with obviously disastrous results and I believe they were just building underground structures.
I am ...
- 337
3
votes
2
answers
230
views
How realistic are the required fluorine mining quantities for terraforming Mars compared to the real mining practices on Earth?
Energy balance calculations in the JGR article Radiative-convective model of warming Mars with artificial greenhouse gases suggest that the addition of 0.2 Pa of the best greenhouse gases mixture (15%...
- 7,551
13
votes
4
answers
3k
views
Is there any evidence from previous missions to asteroids that said asteroids have minable minerals?
Claims about asteroid mining talk about how many resources are on each asteroid, with claims of "trillions of dollars" of raw materials. Ignoring the cost of getting to the asteroid, have ...
- 6,270
12
votes
10
answers
4k
views
Is there an elegant method to stop an asteroid's spin?
There have been proposals to mine asteroids, perhaps after “tugging” them to a more accessible location. As well, proposals have been made to move asteroids which threaten collision with earth.
...
- 24.8k
3
votes
1
answer
100
views
Would planetary quarantine have to be used for asteroid mining missions?
Currently, sample return missions have to follow very delicate procedures to move the sample to the return vehicle. This is incredibly complicated and may explain why so few missions have launched.
...
- 3,125
10
votes
2
answers
2k
views
How can we source potassium fluoride outside of Earth?
Potassium fluoride is the best known terrestrial option to purify the various materials used for the manufacturing of photovoltaic panels. Many of these materials can be found in regolith. The process ...
- 223
2
votes
1
answer
93
views
Using a reverse sling + compression sock to give an asteroid an initial boost - possible?
building my a related question, I have a hypothesis in question:
Assuming that we can get a tug spacecraft near an asteroid worth mining, at appropriate but faster speeds can we use a slingshot with a ...
3
votes
2
answers
203
views
Could we use Mars as as an asteroid mining base?
After getting a lot of helpful feedback I've arrived at a question:
What if we setup base on Mars:
I) Mine water, and split it for propellant.
II) Load up light weight (expandable?) rockets with it....
2
votes
1
answer
161
views
Cheaply capture asteroids for mining with momentum transfer via a chain of Earth + Moon elevators (and alike), is it possible?
I get that mining asteroids seems like a very expensive task. I understand that it's expensive to get to and from them and takes lots of propellant. But I just thought of a a way to make it way ...
3
votes
2
answers
208
views
Sub Lunar Mining
What mineable Lunar mineral deposits are valuable enough to offset mission costs. I have read perhaps cobalt, titanium, lithium, helium and maybe obsidian?
- 31
3
votes
2
answers
162
views
Asteroid mining: will full asteroid prospecting require sending probes to each asteroid?
It is well known that many characteristics about an asteroid such as orbit, size, rotation and chemical composition can be obtained remotely thanks to passive techniques such as spectrophotometry, ...
- 481
14
votes
2
answers
2k
views
Would a sufficiently deep cavern on Mars provide habitable temperature and atmospheric pressure? Was Dick Tracy wrong?
Would a sufficiently deep cavern on Mars provide habitable temperature and atmospheric pressure?
Dick Tracy discovered minimally dressed Moon People living comfortably outdoors on the Moon. Their Far ...
- 24.8k
9
votes
1
answer
343
views
How much equipment will be required to mine 600 tons of water ice on Mars?
Assuming that Starship needs to fully refuel on the Martian surface to return to Earth, that will require about 260 tons of methane->66 tons of hydrogen->600 tons of water, which you would need ...
- 4,243
1
vote
7
answers
2k
views
Are people actually serious about mining the Moon?
I see a lot of enthusiasm about the possibility of mining the Moon. But worryingly, I don't see much said about the potential horrific effects of this.
I mean, guys: the Moon is actually pretty damn ...
- 245
7
votes
2
answers
396
views
On what calculations is Robert Zubrin's assertion that Mars could be warmed by 10 ⁰ C in 50 years with fluorocarbon gases based?
In this answer to the question "What would the full hypothetical Mars terraforming roadmap look like ?" there's a link to the article "Zubrin on Terraforming Mars" in Universe ...
- 7,551
6
votes
1
answer
273
views
How can we mine Near Earth Objects?
After skimming this Worldbuilding SE answer, I wonder if any companies or space agencies have plans in place to mine Near Earth Objects(NEOs) in the future.
- 279
0
votes
2
answers
159
views
Likely ways to move asteroids
Asteroids for mining and to make habitats: what are likely ways to move them?
Orion project nuclear explosions might be plausible, but would probably be expensive, use very heavy materials from Earth, ...
- 117
3
votes
0
answers
50
views
Can it be estimated when a first settlement near the equator would become more economical than one at the midlatitudes of Mars?
Choosing the right place on Mars for a settlement would be of course an important decision because once it's there it would take much time and money to move on to another, better location.
Because the ...
- 7,551
2
votes
2
answers
155
views
Full lunar mineralization/ore map
This is really quick I'm searching for a full complete ore map of the moon, I found this:
But, as you can see, is impossible read.
- 1,623
3
votes
0
answers
142
views
Deimos and Phobos minerals
I am searching for Deimos and Phobos mineral maps, which probably are the best candidates to find large amounts of He-3 or other valuable resources to send to Mars colonies in the future. I searched ...
- 1,623
3
votes
1
answer
240
views
What would be the required equipment for an astronaut to dig to the centre of Bennu?
Credits: NASA/Goddard/University of Arizona
The image above is part of a close-up acquired by NASA's OSIRIS-REx spacecraft of Bennu's surface.
101955 Bennu is a carbonaceous asteroid that is currently ...
- 7,551
4
votes
5
answers
607
views
Will mining water on Bennu for travelling to Mars not be more economical than mining it at the lunar south pole?
Bennu is a carbonaceous asteroid that is currently accompanied by the OSIRIS-REx spacecraft that will take samples from it to return to Earth.
Its diameter is 490 m. and it is slightly denser than ...
- 7,551
2
votes
0
answers
228
views
Mining Venus' surface using lasers?
One of the issues with colonizing Venus is the harsh conditions at the surface. People have proposed using floating habitats in the upper atmosphere, where conditions are milder, and gathering ...
- 1,274
2
votes
1
answer
170
views
Demonstrating molten oxide electrolysis on the Moon, what would require the most power, keeping it molten or driving the electrolysis?
It seems that oxygen may be extractable from oxides in lunar regolith using "some variant of the" molten oxide electrolysis.
Assuming that solar energy is used in a lunar setting, what would ...
- 149k
4
votes
2
answers
351
views
How is it proposed to extract oxygen from lunar regolith?
Futurism's news item NASA Pumps Funding into Startup That Says It Can Harvest Oxygen From Lunar Regolith says:
NASA just awarded substantial funding to Pioneer Astronautics, a company that claims it ...
- 149k
2
votes
0
answers
133
views
What are the challenges for delivering bulk asteroid commodities to Earth? [closed]
I think nickel-iron is an extraordinary and perhaps unique resource that is (by Earth market standards) valuable even as a raw and unprocessed commodity - perhaps several thousand US$ per ton for high ...
- 1,092
1
vote
1
answer
45
views
Compact ISRU for manufactured goods?
Most studies of ISRU focus on propellants, life support supplies, concrete, or other "bulk" materials (liquids, gases, granules). This makes sense, given that the majority of a typical ...
- 8,924
3
votes
0
answers
51
views
Are there substances that can effectively mined from asteroids that can be used for ion thrusters?
The most popular ion thruster design seems to use Xenon. Unfortunately, due to it's low boiling point Xenon isn't easily available in space.
Are there other materials from which ion thrusters could ...
- 292
3
votes
0
answers
95
views
Atmospheric entry of asteroid mining products
This is a more general question than How to get processed asteroid metals back to Earth in a safe manner
That question was actually a quick check to see if a particular idea was plausible. Instead, ...
- 473
2
votes
0
answers
94
views
What are mass constraints to mine the moon causing significant changes to orbital dynamics either tidal forces?
While US and EU governments seem now to give official support for Moon mining, I wonder whether if we would mine away from the Moon same quantity we have mined on the Earth so far, would that ...
- 2,890
6
votes
3
answers
3k
views
Would capture of a uranium-rich asteroid open new possibilities?
It seems that energy production in space is a limiting factor. We can use photovoltaics, but they're of minimal value past Mars, and many interesting places (like the moon) have very long nights. The ...
- 441
5
votes
3
answers
647
views
What is the closest asteroid to Earth worth mining?
I found this list, but it doesn't say how close it is to the ground https://echo.jpl.nasa.gov/~lance/delta_v/delta_v.rendezvous.html
- 1,623
8
votes
1
answer
1k
views
Mining Helium-3 on the Moon and sending it to Earth?
It would be best to mine and process material on the moon to obtain helium-3, but my question is, what if we did an unmanned mission?
A small robot 1 meter long, powered by solar energy, that takes ...
- 1,623
6
votes
1
answer
187
views
Resources on 129 Antigone
I am one of the cast members of an ongoing science-fiction podcast set in an asteroid settlement on 129 Antigone. The settlement is an O’Neill cylinder built from materials harvested from the asteroid,...
- 163