US Trends

how do astronauts eat in space

Astronauts eat with specially packaged food, Velcroed trays, and no loose crumbs, so everything stays controlled in microgravity while still giving them fairly normal meals.

Main challenges

  • Microgravity makes food, crumbs, and droplets float, so everything must be contained to avoid clogging equipment or getting in astronauts’ eyes.
  • Strong smells and fluid shifts in the body can make food taste blander, so meals are often spiced up more than on Earth.

How food is prepared

  • Most space food is freeze‑dried or thermostabilized (heat‑treated in pouches) so it is lightweight, safe, and shelf‑stable for months.
  • Astronauts rehydrate meals with a water dispenser and then warm them in a small convection oven for 20–30 minutes before eating.

Eating in zero‑G

  • Meals come in packets that can be cut open with scissors and eaten with a fork, knife, and spoon that are held down by magnets, Velcro, or clips so they do not float away.
  • Food containers attach to a tray, and the tray attaches to the wall or to the astronaut’s body so the whole “table” stays put.

What astronauts actually eat

  • The menu on the International Space Station includes more than 100 items: meat dishes, pasta, vegetables, fruit, desserts, and snacks like nuts, dried fruit, and chocolate.
  • Fresh foods such as apples and oranges arrive on periodic cargo ships, but they must be eaten quickly before they spoil.

Drinks and seasonings

  • Drinks (water, coffee, juice) are provided as powders in sealed pouches; astronauts add water via a special valve, then drink through a straw with a clamp to prevent leaks.
  • Ordinary salt and pepper would scatter, so they are provided in liquid form that can be squirted onto food without floating away.

Information gathered from public forums or data available on the internet and portrayed here.