Questions tagged [food]

Questions related to the growth or use of food on spacecraft or colonies. Also, any questions related to drinkable liquids either made or consumed in space.

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What are the most commonly consumed solid foods on the space station and why?

Clearly, an astronaut’s diet varies from day to day to ensure proper health while in space. And depending on the astronaut’s place of origin, preferences, and availability, their choice of foods ...
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How do we know how to distribute food supplies to import to Mars between 1st and 2nd tour?

Coming from this question about Mars foundation cargo, how do we know which food to deliver with the first and with the second cargo? (2x2x100t in total) possibly the first tour could carry more ...
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Have military rations ever been supplied to crews in space?

Most space food has been specially designed preserved food to meet concerns specific to space flight. Has any space program supplied MREs or other rations from their military for astronauts?
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What happened to leftover food from the Shuttle program?

This answer describes some of the food available during the Shuttle program. Was any pre-prepared food left over when the Shuttle program ended, and if so, what happened to it? Addendum: I have no ...
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How much cargo volume is devoted to food

On the ISS resupply missions go up about every 90 days or so. On those resupply missions how much volume and mass are devoted to food for the astronauts? I've found estimates for the mass to be about ...
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Did astronaut Scott Kelley eat cake in space?

From what I understand and remember the first cookies baked in space were returned to Earth for testing and I think part of the reason that no cookies baked on the ISS's oven could be eaten is that ...
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1answer
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How exactly is the balance of minerals handled on ISS with the use of reclaimed (demineralised) water for human consumption?

This question and answers to it contain wealth of information regarding recycling of ISS resources, and water is one of them. Water, recycled from water waste, atmosphere moisture and urine, is ...
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1answer
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How do astronauts brew tea on ISS and what brewing temperature is common?

Do astronauts add hot water to a packet that contains a bag with real tea leaves or is it dry tea powder? If they use real tea leaves, what would be the water temperature for the brewing? To get the ...
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Did NASA ever supply astronauts with canned food?

Looking through information regarding food for ISS, one thing caught my eye: a lot of canned food for Russian cosmonauts (as a side note, they apparently have bread (and crackers!) there too (...
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Algae Bioreactor for O2 and CO2 (and food?) - Any data on required size and power requirements?

I believe that the requirements for a single persons $\require{mhchem}\ce{O2}$/$\ce{CO2}$ balance run somewhere in the region of $8m^2$ of algae, which would seem to be possible in a single $\approx ...
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1answer
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Can we grow potato in mars soil?

In the movie The Martian (Wikipedia, IMDB) the astronaut grew potatoes using "soil" from the surface of Mars. Does the surface of Mars have something equivalent to soil? If so, even after being ...
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1answer
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Do astronauts lose potassium faster than terrestrial humans?

According to the Apollo Program Summary Report, astronauts on the longer 15-17 missions have difficulties maintaining dietary potassium levels. Section 8.4 claims Negative nitrogen and potassium ...
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Did some Apollo astronauts actually carry a sandwich and bacon in their launch suit?

Normally I consider the Apollo Experience Reports as a reliable source, but the following claim is so bizarre that I'm asking if this claim can be verified by an independent source? THE APOLLO 14 ...
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Are there foods that astronauts are explicitly never allowed to eat?

Is any substance strictly forbidden for astronauts in space, because it may dehydrate, cause intestinal problems or other ailments/threats to systems if improperly handled? Anything someone may ingest ...
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1answer
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Has a source of vitamin C ever been successfully grown in space?

Growing one's own food has long been a goal of space exploration. It has the potential to reduce the amount of mass needed for long-term missions. Food has been experimentally grown and eaten on the ...
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Are there any vegetarian astronauts?

Following this question and other food-related questions, including on Quora, I failed to see mention of a meal without meat or fish. I suppose: It is technically possible to have healthy vegetarian ...
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1answer
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Is this still a problem with the spacewalk granola bar?

During the Shuttle era, EVA suits had a holder for a granola bar, which gave astronauts something to snack on during long spacewalks. The food bar of compressed fruit, grain, and nuts is wrapped in ...
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132 views

Fuel vs food on the trip to Mars?

How much food for each person is need and fuel per various engine to go to Mars on the current 9-month trip there then 3 months on Mars and the 9 months back? Can time be saved on the trip to and from ...
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1answer
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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 ...
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Is it safe to consume food that's been exposed to cosmic rays?

Related to this question: Could the void of space act as a good refrigerator for food in long journeys? I don't have enough rep to comment and don't have the answer to this question but it feels to ...
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Can Mars provide vitamins?

How long can nutrients found in Mars along with an algae diet sustain human life?
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Has alcohol ever been consumed in space?

Conversation at the bar led to space travel, and whether each of us would commit to the journey to Mars. It came up that instead of going to the bar, you would need to brew your own beer. This led to ...
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Why was there a miniature bread on the ISS?

In the NASA images and video library there is a image of a miniature bread floating in ISS node 1 (expedition 34 in 2013). Unfortunately I wasn't able to find any information on the experiment or ...
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1answer
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Are gas bubbles in space food still a problem?

According to the Apollo Program Summary Report, page 6-14: In zero gravity, when the food packages were rehydrated with water containing gas bubbles, the bubbles could not be removed from the food. ...
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Can food be preserved by exposure to space?

Would it be possible to preserve food by wrapping them in sturdy packaging (to preserve moisture and block micrometeors) and then tossing it out of the airlock so we no longer need refrigeration space?...
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How feasible is it to grow algae on Mars to use as food, plastic and oxygen production?

I am currently researching the idea of growing spirulina algae on Mars for as a renewable source of oxygen, food and material. So the question arises: How feasible would it be to grow spirulina in an ...
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How was “Space Ram” (instant ramen noodles) prepared and eaten on the Space Shuttle?

The BBC Witness Podcast The Invention of Instant Noodles mentions that "Space Ram" (ramen noodles for space) was developed for eating on the Space Shuttle. After about ...
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Can the vacuum of space be used to sterilize equipment?

Supposing that washing dishes and sterilizing medical equipment could be expensive to do in space, would a viable option be to expose dishes, scalpels, silverwear etc to the vacuum of space? Would the ...
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Why does NASA use freeze-dried food for the ISS?

I watched a short documentary on youtube how NASA workers shop in a supermarket or order products, then get meals like spaghetti cooked at their facilities to be freeze-dried and vacuum-sealed for the ...
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Mass of food per astronaut per year for an extended deep space excursion?

Until food can be grown or synthesized reliably and effectively in space, a manned deep space mission needs to bring all of the food with it, or cache some of it ahead of time. Roughly what would be ...
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3answers
908 views

Power to grow food per person

Can I get a rough estimate of the power (in watts) needed to produce light to grow enough food for one person, using vertical farming of the kind proposed for space habitats? Any reasonable outpost/...
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Balancing oxygen and food production

For a self-sustaining base on Mars (or elsewhere)... I've read and been told that growing enough plants to eat would produce too much oxygen, but there are many in-depth designs for self-sustaining ...
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Zero gee rice cooker for BFR's trip around the Moon; how would that work?

Because of where I'm currently living, I've gotten used to using a small rice cooker regularly. @Tristan has pointed out that cooking dried rice, or dried beans in boiling water could not be done in ...
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Dried beans, rice and oats, jerky, olive oil, salt, vitamins, electrolytes, water; anything else?

If I don't worry about morale, would daily, average sized meals from the following be sufficient to stay alive for three years in space? I'm assuming only water is recovered from waste. Assume enough ...
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Have there been at least continuous periods of plants growing on the ISS?

I know there have been some experiments in hydroponics that are addressing issues related to growing significant quantities of food and even fresh vegetables in space in the future. I was wondering; ...
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Spinning in space to manage gas?

A recent comment pointed out you can't burp in zero-g, while we don't have anything here about it, a Google search seems to support the comment. If you spin your body, in theory you could overcome ...
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613 views

Can you enjoy a cold carbonated drink in space?

I will grant that launching a can of soda pop, or beer into space would be very expensive. Alternately it is not unreasonable to make it in the space station, carbonated drink makers are easily ...
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Does NASA have an Army and Air Force Exchange Service?

Considering the relativity of military at NASA, the question here is "Does NASA have it's own Army and Air Force Exchange Service (AAFES), or does it share with the Department of Defense?" The AAFES ...
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Do astronauts on ISS get fresh perishable goods with deliveries?

The usual fare for ISS has very long expiration dates, to last between deliveries, months apart. That, combined with other requirements (no crumbs/powders, no cooking, flatulence-safe etc) ...
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Will a bag of potato chips explode in space? [closed]

Potato chips are a favorite snack food Earth side. It seems that currently they are not allowed in the ISS (anything with significant crumbs -- such as potato chips ... can't go.) and that chips bags ...
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Communion on the Moon

This article (and some others) confirms "that Buzz Aldrin took communion on the surface of the moon". How is it possible that he ate and drank on the surface of the moon while wearing a space suit?
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How would civilians send snacks to the ISS crew?

Today I saw a video in which ESA astronaut Samantha Cristoforetti teaches us how to make pitas in space, and invites us to try to make them at home. I understand that much of the food on the ISS is ...
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Growing food in space

I can't find info on NASA site, but saw a picture of romaine on ISS and am wondering how it maintains its shape in zero-gravity- why doesn't it spread out, what makes it grow up...?
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1answer
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Could future astronauts eat during EVAs?

One of the challenges that faced the Apollo moon landing crews, and particularly the longer-stay missions of the later flights, was going through a full 7 hours of extra-vehicular activity in a locked ...
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In the near future, will spacecraft be able to carry the means to cook and serve traditional meals?

Just about every time I watch a sci-fi show or movie about space, there always seems to be "regular" food on board. That is, stuff that we on earth (and more specifically Americans) recognize as "home ...
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1k views

Could the void of space act as a good refrigerator for food in long journeys?

Providing a theoretical journey to some far place, could the void of space be used as a good refrigerator for food since it is very cold ? Assuming that radiations in the void space are somehow ...
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1answer
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What are the criteria to select plants for study in space?

Me? I like roast aubergines cooked the way Mum makes it with mashed potatoes deep-fried, omelette, and roti. If I travel in space that would be the staple in my tiffin. In my on-board farm would loom ...
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Where should I look in ISS to find mouldy food?

Food is ubiquitous. All organisms known so far need food, and it is commonly believed all organisms unknown need it to. Size matters not - Eating is. Consumption continues ad infinitum. Failure to ...
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How do astronauts drink or eat in space?

As there is zero gravity in space, how do astronauts drink liquid from a container? Do they suck the liquid or is there any mechanism for that? Are there any changes in oesophagus?
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Can fish really live in microgravity without water?

Yes, you read that title correctly. I saw the claim in "Colonies in Space", hosted on the NSS site. In a weightless space farm, it may be possible to raise fish without water. On Earth, when a ...