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89 votes
Accepted

Has alcohol ever been consumed in space?

Brandy was sent along with Apollo 8’s Christmas dinner -- a 2-oz airline bottle each -- but mission commander Borman, out of an abundance of caution, ordered his crew not to partake. Jim Lovell sold ...
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55 votes
Accepted

Are there foods that astronauts are explicitly never allowed to eat?

At least in the Shuttle program, I'm afraid the list of forbidden foods was almost infinitely long. Anything not officially tested and approved was forbidden. From the Space Shuttle Food System ...
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41 votes
Accepted

Are there any long term storable sources of vitamin C?

False premise: Even the article you are citing does not support your statement. Vitamin C is very much storable in the long term. It's just that the raw form of most of the natural foods that contain ...
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40 votes

Are there foods that astronauts are explicitly never allowed to eat?

There are in fact many foods astronauts are not allowed to eat. I'll be specifically talking about the ISS as they are the only ones currently in space. Bread: Astronauts are not allowed to eat bread ...
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  • 5,788
31 votes
Accepted

Why is unappetizing food brought along to space?

Taste-testing on Earth is good (what else can you do?) but crewmembers' sense of taste changes in free-fall. People who live in space have said that food is not the same in space. Some astronauts say ...
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23 votes
Accepted

Did some Apollo astronauts actually carry a sandwich and bacon in their launch suit?

How about some photographic evidence? This is Pete Conrad, during suit-up for Apollo 12, having a sandwich stashed. From this Popular Science article it appears the whole Apollo 12 crew got ...
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22 votes
Accepted

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

On planet earth, food spoils for several reasons: Oxidation Dehydration Microorganisms Oxidation is a reaction with the oxygen in the atmosphere. You can witness this when you cut an apple in half ...
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  • 9,136
22 votes
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Did astronaut Scott Kelly eat cake in space?

I don't know exactly what Kelly is eating there, but brownies are on the ISS menu. Some foods can be eaten in their natural forms, such as brownies and fruit. A good moist brownie in bite-sized ...
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19 votes
Accepted

How was "Space Ram" (instant ramen noodles) prepared and eaten on the Space Shuttle?

Like many dehydrated space foods, it's prepared by injecting hot water through a port in an otherwise sealed bag, manually mixing it by massaging the bag, and waiting a few minutes; the noodles are ...
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16 votes

Has alcohol ever been consumed in space?

I asked Oleg Kotov this exact question. He told me that alcohol went missing from some medical kit on the ISS and was most certainly consumed in space.
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  • 269
15 votes

Are there any vegetarian astronauts?

In addition to the vegetarian and even vegan astronauts mentioned elsewhere, there soon may be more. In at least one of many possible scenarios for food on long flights, NASA astronauts on the ...
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  • 6,882
14 votes

Has alcohol ever been consumed in space?

During the Salyut 1 mission, the birthday of one of the cosmonauts was celebrated with a very small amount of alcohol, as far as I have read. Supporting reference: The first alcoholic drink went ...
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  • 141
14 votes

Are there any long term storable sources of vitamin C?

Not to disagree with PcMan's answer as marked accepted, but adding some more information that might be interesting and could pass as an answer in its own right :-) Thing is, before space exploration, ...
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  • 243
12 votes
Accepted

Mass of food per astronaut per year for an extended deep space excursion?

So, after a lot of searching after what are the recommended daily intake in terms of nutrient requirements and other stuff, I used a couple of sources to make an average of what is actually needed, ...
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  • 756
12 votes
Accepted

How do astronauts brew tea on ISS and what brewing temperature is common?

The water temperature for restoring products, making tea and coffee is different: + 85˚ С or from + 25˚ С to + 42˚ С - depending on what the cosmonaut has on the menu. Hot water is used mainly for the ...
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  • 7,675
11 votes

Growing food in space

The structure of lettuce is determined by a combination of genetics and environmental effects. What the growth of the lettuce on the ISS indicates is that gravity is negligible in terms of its effect ...
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  • 23.5k
11 votes

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

The effect of the void of space is not so much cold, rather it is an insulator. Though heat radiates away, there is no convection nor conduction. Many spacecraft take precautions not to overheat in ...
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  • 6,553
11 votes

Can fish really live in microgravity without water?

Gills aren't purely for respiration. Fish constantly excrete ammonia and urea from their gills and without sufficient water to wash the waste away this would soon cause death, much like how too small ...
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  • 121
11 votes
Accepted

Can the vacuum of space be used to sterilize equipment?

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, ...
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  • 3,191
11 votes
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Fuel vs food on the trip to Mars?

Fuel requirements will probably dominate food and other consumables by an order of magnitude or more, so you can't save mass by shortening the trip. The exact tradeoff depends on the assumptions you ...
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11 votes
Accepted

Has a source of vitamin C ever been successfully grown in space?

Yes; NASA selected bok choy, aka "Chinese cabbage", for one of their recent garden experiments, quite possibly because of its high vitamin c content (45mg, half of your daily recommended dose, per ...
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  • 126
11 votes
Accepted

Did NASA ever supply astronauts with canned food?

Yes, it wasn't uncommon. Types of food used on the first 25 Space Shuttle missions included thermostabilized food in flex pouches or cans, rehydratable foods and beverages in square packages, ...
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10 votes

In the near future, will spacecraft be able to carry the means to cook and serve traditional meals?

Several points come to mind: In most sci-fi there is gravity. At the moment we do not have a non-earth location where humans can go with gravity. If we have habitats on the Moon or Mars then there ...
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10 votes

How was "Space Ram" (instant ramen noodles) prepared and eaten on the Space Shuttle?

If the package on the right of the lower picture in the question was actually flown, it would have been heated in the Shuttle galley's "food warmer" / "oven". This is because it already contains ...
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10 votes

Removing perchlorate from Mars surface soil

Perchlorate contamination is a problem on Earth. Essentially, there is a series of water treatments and bioremediation, the process of using biological systems to fix the problem. Here is a detailed ...
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10 votes

World's most expensive space cookie? (What am I looking at, object identification, rivets and all)

That was cookie #2 of 5. It is part of an experiment on just how cooking food behaves in zero-g. For future longterm missions and such. The "0GK" stands for "Zero Gee Kitchen", the ...
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9 votes

Zero gee rice cooker for BFR's trip around the Moon; how would that work?

Most foods cooked in space are not brought up to a complete boil because dealing with the steam would be an issue. Currently they inject hot water into vaccuum sealed pouches containing food. I would ...
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