How many meals a day do astronauts eat?

Astronauts eat three meals a day: breakfast, lunch and dinner. Nutritionists ensure the food astronauts eat provides them with a balanced supply of vitamins and minerals.
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How much food do astronauts eat per day?

For example, an astronaut on the ISS uses about 1.83 pounds (0.83 kilograms) of food per meal each day. About 0.27 pounds (0.12 kilograms) of this weight is packaging material. Longer-duration missions will require much more food.
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How many meals and snacks do astronauts usually have in a day?

This eight-day menu consists of three meals and one snack a day. It was designed to ensure that astronauts have a balanced diet during their stay in space. In addition, dieticians ensure that all the menus contain between 1900 and 3200 calories per day, depending on the astronaut's: weight.
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Do astronauts run out of food?

This means that if resupply missions were halted, the crew would run out of food way before they ran out of water or oxygen. Aboard the space station, all the water vapor exhaled by astronauts — as well as the sweat and urine they excrete — is purified back into fresh water for them to use.
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What food do astronauts eat?

During the Gemini missions, astronauts began consuming freeze-dried food and powdered beverages, which they rehydrated with cold water prior to consumption. The Apollo Program continued to use freeze-dried food and powdered beverages, but with the luxury of hot water if desired.
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Chris Hadfield's Space Kitchen



Does food expire in space?

The short answer is yes. Although the food is not going to last forever, the decomposition process will be significantly slowed with the absence of oxygen. As a result, food stored in a vacuum-sealed bag or container will last significantly longer than without.
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What foods are not allowed in space?

Here are five foods that NASA Astronauts can't eat in space:
  • Bread. U.S. Food and Drug Administration. ...
  • Alcohol. United States Embassy, Berlin. ...
  • Salt and Pepper. Getty Images / iStock. ...
  • Soda. Getty Images / iStock. ...
  • Astronaut Ice Cream.
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What does space smell like?

In a video shared by Eau de Space, NASA astronaut Tony Antonelli says space smells “strong and unique,” unlike anything he has ever smelled on Earth. According to Eau de Space, others have described the smell as “seared steak, raspberries, and rum,” smokey and bitter.
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Is alcohol allowed in space?

“Alcohol is not permitted onboard the International Space Station for consumption,” says Daniel G Huot, spokesperson for Nasa's Johnson Space Center. “Use of alcohol and other volatile compounds are controlled on ISS due to impacts their compounds can have on the station's water recovery system.”
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How do astronauts shower?

The astronauts wipe their body clean by using a wet towel, and wash their hair by using waterless shampoo. Since water does not flow in a zero-gravity environment, the astronauts cannot wash their hands under a faucet as you do on Earth. So, there are no sinks or showers inside the space shuttle.
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Why can't astronauts eat regular food?

Salt and pepper and other granular spices and seasonings can make for a huge mess in microgravity. There is a danger they could clog air vents, contaminate equipment or get stuck in an astronaut's eyes, mouth or nose.
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Can you eat pizza in space?

Ice cream can't go up without freezers. Pizzas have not been perfected yet. Beyond that, astronauts can eat anything you might order from a typical menu.
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Do astronauts eat real food in space?

Today, astronauts eat a varied diet that is similar to what we eat on Earth. The menu aboard the International Space Station (ISS) includes more than a hundred items - from vegetables and fruit to pre-prepared meals and desserts. Even condiments such as ketchup and mustard are available.
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How do astronauts poop?

Poop is vacuumed into garbage bags that are put into airtight containers. Astronauts also put toilet paper, wipes and gloves — gloves help keep everything clean — in the containers, too.
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How much does it cost to feed astronauts?

It also charges between $40 and $1,500 per person per day for crew supplies and $2,000 per person per day for food.
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Do astronauts drink pee?

Astronauts have been drinking recycled urine aboard the ISS since 2009. However, this new toilet makes the process more efficient and more comfortable.
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How do female astronauts deal with periods?

A combined oral contraceptive, or the pill, used continuously (without taking a week off to induce menstrual flow) is currently the best and safest choice for astronauts who prefer not to menstruate during missions, says Varsha Jain, a gynecologist and visiting professor at King's College London.
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Can astronauts smoke cigarettes in space?

Astronauts are strictly forbidden from smoking on board the Space Shuttle or ISS. In fact, smoking was never allowed on Mercury, Gemini, Apollo, or any other spacecraft.
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Is it difficult to sleep in space?

In space, sleeping on the floor is just as comfortable as sleeping on the wall: there is no difference in the weightless environment. However, since astronauts are used to sleeping on a mattress on Earth, their sleeping bag has a rigid cushion, to exert pressure on their back.
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Can you fart in space?

Surprisingly, that isn't the biggest problem associated with farting in space. Though you're definitely more likely to worsen a small fire when you fart, it won't always injure or kill you. The worst part about farting in space is the lack of airflow. Let's take a step back and remember how farting on Earth works.
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Do you age in space?

In space, people usually experience environmental stressors like microgravity, cosmic radiation, and social isolation, which can all impact aging. Studies on long-term space travel often measure aging biomarkers such as telomere length and heartbeat rates, not epigenetic aging.
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Can someone hear you scream in space?

That infamous tag line from 1979's Alien, “In space no one can hear you scream.” No one can hear you because the audible sound waves from that scream can't pass through space.
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Why is bread banned on space station?

Bread. Crumbs—from bread, crackers, cookies, etc—don't do well in space. They float around, and can fly into an astronaut's eyes and interfere with important equipment. That's why you'll find tortillas used instead of bread on all crafts traveling out of orbit.
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Why is bread banned on the ISS?

Breads, crackers, and cookies don't do well in space because all of those loose crumbs can float around and get stuck in sensitive equipment. In astronauts want bread when after they launch out of orbit, they're limited to tortillas. Although, the invention of crumb-free bread could change that restriction pretty soon.
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Can you smell a fart in space?

Therefore, the fart will not be smelled by the astronaut, although they may marinate in it for a time. When astronauts are not in the space suit and floating about, the fart smell is exaggerated by the lack of airflow from the recycled air used and its inability to mask any smell.
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