a similar high tech container in the antarctic to test whether or not the idea could really work. as we don't use soil the roots are suspended in the air in a plastic box and sprayed with nutrients and greenhouses in the class a greenhouse doesn't have any windows we eliminate the plants with the lights and we control the environment the temperature the humidity and so on. the greenhouse container could produce up to 270 kilograms of vegetables including cucumbers tomatoes and radishes fresh vegetables are vital for astronauts on year round missions pushing not only come on you can't endlessly freeze fresh food you can preserve fresh fruit indefinitely tomatoes roped off a full 5 at most 6 weeks they really have to be grown locally and then right away that's why a greenhouse is so important. 8 countries are involved in the project and nasa is