they have a secret opening in the back of their helmets and they eat out of there.
They eat while inside the space station or shuttle. Bars used to be positioned inside the spacesuit where the astronaut could take a bite at will, but they are no longer used as astronauts preferred to eat later. They do however have a drink bag and tube from which they can suck water. Spacewalks last up to seven hours and astronauts work hard during this time, so it is essential that they drink.
Thought juice bag like baggies where you squeeze the water out. P.S.-They eat by the same principle.
straws
water
of course astronaut can drink herbalife
astronauts eat 21 servings of food in a week
Astronauts eat food that has been specially prepared to avoid crumbs or liquids floating away. They can either eat it with a spoon or use utensils that have Velcro or magnets to stick to their trays. They can also drink liquids from specially designed pouches equipped with a straw.
Astronauts eat and drink in the space shuttle by using special food and drink packages that are designed to be rehydrated or warmed up using the shuttle's onboard systems. They use straws and squeeze bottles to consume liquids, and the food packages are usually pre-cooked and require minimal preparation. Utensils are also specially designed to prevent food from floating away in the microgravity environment.
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astroballs
The astronauts on STS-51F used both Coca-Cola and Pepsi for the purposes of carrying out scientific experiments.