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(Forbes)   Astronauts might be able to farm on Mars thanks to alfalfa. Buckwheat had no comment   (forbes.com) divider line
    More: Interesting, Water, Soil, Brassicaceae, Turnip, Mars, Plant, Radish, Martian soil  
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415 clicks; posted to STEM » on 18 Aug 2022 at 12:17 AM (6 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook



34 Comments     (+0 »)
View Voting Results: Smartest and Funniest
 
2022-08-18 12:32:14 AM  
What about potatoes? Are they going to ship in fertilizer or, uh, "recycle" their own?

Matt Damon has questions.
 
2022-08-18 12:43:07 AM  
c.tenor.comView Full Size
 
2022-08-18 12:56:40 AM  
People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.
 
2022-08-18 1:27:12 AM  
I'm going to live forever.

/so far so good
 
2022-08-18 1:27:19 AM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


You'd have to relay supplies for the mission. You'd have to send them ahead of the crew ship for pickup.
 
2022-08-18 1:30:24 AM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


It'll be visits for short duration. They'll do it a few times and then stop altogether, just like with the moon.
 
2022-08-18 1:33:16 AM  
Buckwheat did have a statement, nobody could understand him.
 
2022-08-18 1:40:54 AM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


I wouldn't say it is impossible, just highly unlikely.

If the political situation changes such that there are pressures akin to the 1960s, getting someone to Mars for the sake of saying you got someone to Mars is certainly possible.

You could use unmanned rockets to launch supplies and pre-prosition them. It would be stupidly expensive to send someone to Mars, but the right political pressures could make that tenable.
 
2022-08-18 2:46:00 AM  
I literally actually made the observation yesterday, a very cloudy day, that the sunlight was about equal to that of a clear day on Mars.

Even though this is from Forbes, I have to agree that we will be able to grow plenty of food on Mars. Given that there will be no pests, no bad bacteria or disease, a lot of plants will have a fighting chance. We can also use LED lighting, and given nuclear power, sufficient heat, etc. Humans can keep a nitrogen cycle going.

Potatoes were actually a good call. Not sure about alfalfa. Someone will have to figure that stuff out.

You know, growing something that crickets like to eat is a winner for  supplying cheap protein and variety, and potato leaves are toxic, so... there is a wrinkle for you.
 
2022-08-18 4:07:22 AM  
Call LaGrange, we need to induce a solid magnetosphere around Mars in order to support the atmosphere

/that's no moon...
 
2022-08-18 4:07:58 AM  
If we ever did send people to Mars to stay, it would be after about forty-something years of robots making a livable and self-sustaining habitat there. Given we currently can't get more than a few hundred pounds of material there per launch, no one currently alive will see it happen (if it ever happens and my bet is it doesn't).
 
2022-08-18 4:13:45 AM  
Cool then we can eat cows on Mars!

Cows on Mars
Youtube GUodKBe1lSM
 
2022-08-18 5:41:01 AM  
Alfalfa is a nitrogen fixing plant. But it wouldn't work without a large amount of atmospheric nitrogen.
 
2022-08-18 6:14:03 AM  

2fardownthread: I literally actually made the observation yesterday, a very cloudy day, that the sunlight was about equal to that of a clear day on Mars.

Even though this is from Forbes, I have to agree that we will be able to grow plenty of food on Mars. Given that there will be no pests, no bad bacteria or disease, a lot of plants will have a fighting chance. We can also use LED lighting, and given nuclear power, sufficient heat, etc. Humans can keep a nitrogen cycle going.

Potatoes were actually a good call. Not sure about alfalfa. Someone will have to figure that stuff out.

You know, growing something that crickets like to eat is a winner for  supplying cheap protein and variety, and potato leaves are toxic, so... there is a wrinkle for you.


No, we wont be able to grow things in the soil. We dont have an actual detailed composition of it like we do with soil here because the insturments on mars are still a bit too basic to do that kind of detail.

People really need to completely fark off with mars and focus on saving our own planet instead. Sure its intereting knowledge, but its all wasted money and time on a pipe dream that will never happen whilr everthing around us burns
 
2022-08-18 6:41:05 AM  

Befuddled: If we ever did send people to Mars to stay, it would be after about forty-something years of robots making a livable and self-sustaining habitat there. Given we currently can't get more than a few hundred pounds of material there per launch, no one currently alive will see it happen (if it ever happens and my bet is it doesn't).


Oh, we'll do it eventually, simply because it's there.

The answer to payload size is bigger spacecraft and/or multiple launches, both of which are achievable.
 
2022-08-18 6:45:04 AM  
I agree that it would easier just to fix this planet that we're already on.
 
2022-08-18 6:46:28 AM  

qorkfiend: Oh, we'll do it eventually, simply because it's there.


It is there, and we are here.
It is likely to continue to be there, also.

It seems less certain we will continue to be here.
 
2022-08-18 7:45:40 AM  
external-content.duckduckgo.comView Full Size
 
2022-08-18 7:56:33 AM  

Concrete Donkey: 2fardownthread: I literally actually made the observation yesterday, a very cloudy day, that the sunlight was about equal to that of a clear day on Mars.

Even though this is from Forbes, I have to agree that we will be able to grow plenty of food on Mars. Given that there will be no pests, no bad bacteria or disease, a lot of plants will have a fighting chance. We can also use LED lighting, and given nuclear power, sufficient heat, etc. Humans can keep a nitrogen cycle going.

Potatoes were actually a good call. Not sure about alfalfa. Someone will have to figure that stuff out.

You know, growing something that crickets like to eat is a winner for  supplying cheap protein and variety, and potato leaves are toxic, so... there is a wrinkle for you.

No, we wont be able to grow things in the soil. We dont have an actual detailed composition of it like we do with soil here because the insturments on mars are still a bit too basic to do that kind of detail.

People really need to completely fark off with mars and focus on saving our own planet instead. Sure its intereting knowledge, but its all wasted money and time on a pipe dream that will never happen whilr everthing around us burns


This is a false dichotomy. We can certainly do both. One could even make a good case that cooperation on an international effort on a "sexy" project like manned missions to Mars could pave the way for similar efforts to address more mundane but vital issues like global warming.
 
2022-08-18 8:26:32 AM  

qorkfiend: Befuddled: If we ever did send people to Mars to stay, it would be after about forty-something years of robots making a livable and self-sustaining habitat there. Given we currently can't get more than a few hundred pounds of material there per launch, no one currently alive will see it happen (if it ever happens and my bet is it doesn't).

Oh, we'll do it eventually, simply because it's there.

The answer to payload size is bigger spacecraft and/or multiple launches, both of which are achievable.


And more struts.

encrypted-tbn0.gstatic.comView Full Size
 
2022-08-18 8:51:33 AM  

Pointy Tail of Satan: Alfalfa is a nitrogen fixing plant. But it wouldn't work without a large amount of atmospheric nitrogen.


Yep.

Earth: Surface pressure 101325 pascals, 78% Nitrogen.

Mars: Surface pressure 610 pascala, 2.8% Nitrogen.

Fixing nitrogen is hard where there isn't much nitrogen at all.
 
2022-08-18 10:53:13 AM  
y.yarn.coView Full Size
 
2022-08-18 10:58:08 AM  

Caelistis: What about potatoes? Are they going to ship in fertilizer or, uh, "recycle" their own?

Matt Damon has questions.


Maybe

But its a certainty they will blow Trillions in public money fuking around on mars to boost their egos.

Robots can do same at a tenth of the cost.

1 Trillion seconds is almost 32,000 years
 
2022-08-18 10:58:55 AM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


But what if i have Trillions in tax payer money to blow??
 
2022-08-18 11:00:23 AM  

Russ1642: mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.

It'll be visits for short duration. They'll do it a few times and then stop altogether, just like with the moon.


Theyll blow trillions in public money to learn that theres no place like Home.
 
2022-08-18 11:01:09 AM  

dywed88: mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.

I wouldn't say it is impossible, just highly unlikely.

If the political situation changes such that there are pressures akin to the 1960s, getting someone to Mars for the sake of saying you got someone to Mars is certainly possible.

You could use unmanned rockets to launch supplies and pre-prosition them. It would be stupidly expensive to send someone to Mars, but the right political pressures could make that tenable.


No biggie

The public is paying for it
 
2022-08-18 11:03:17 AM  

Concrete Donkey: 2fardownthread: I literally actually made the observation yesterday, a very cloudy day, that the sunlight was about equal to that of a clear day on Mars.

Even though this is from Forbes, I have to agree that we will be able to grow plenty of food on Mars. Given that there will be no pests, no bad bacteria or disease, a lot of plants will have a fighting chance. We can also use LED lighting, and given nuclear power, sufficient heat, etc. Humans can keep a nitrogen cycle going.

Potatoes were actually a good call. Not sure about alfalfa. Someone will have to figure that stuff out.

You know, growing something that crickets like to eat is a winner for  supplying cheap protein and variety, and potato leaves are toxic, so... there is a wrinkle for you.

No, we wont be able to grow things in the soil. We dont have an actual detailed composition of it like we do with soil here because the insturments on mars are still a bit too basic to do that kind of detail.

People really need to completely fark off with mars and focus on saving our own planet instead. Sure its intereting knowledge, but its all wasted money and time on a pipe dream that will never happen whilr everthing around us burns


But nations cant blow their horns unless they send bodies to space and beyond.
 
2022-08-18 11:04:19 AM  

Mugato: I agree that it would easier just to fix this planet that we're already on.


But then where is the Glory and whos number 1 bullshiat for the politicians??
 
2022-08-18 11:05:24 AM  

I hereby demand that I be given a Fark account: Pointy Tail of Satan: Alfalfa is a nitrogen fixing plant. But it wouldn't work without a large amount of atmospheric nitrogen.

Yep.

Earth: Surface pressure 101325 pascals, 78% Nitrogen.

Mars: Surface pressure 610 pascala, 2.8% Nitrogen.

Fixing nitrogen is hard where there isn't much nitrogen at all.


Not if you throw enough tax money at it.
 
2022-08-18 11:08:42 AM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


Humans are not going anywhere for anything more than a monetary visit while we're made out of meat.
 
2022-08-18 11:26:23 AM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


Plus Mars ain't the kind of place to raise your kids.
 
2022-08-18 11:54:34 AM  
onesnladay.comView Full Size
 
2022-08-18 11:56:38 AM  
Ms. Crabtree: "Stymie, give us a sentence with the word 'isthmus'."

doyouremember.comView Full Size
 
2022-08-18 5:30:10 PM  

mistahtom: People ain't ever gonna go to Mars, not even in your grandchildren's lifetime.

There is no way to feed a crew for that long without resupplying, the planet is too far away.

At minimum you would need to build a productive LUNAR agricultural colony AND rocket launching system.  Lunar manufacturing won't even happen in your children's lifetimes.


wanna bet
 
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