Wednesday , January 20 2021

Growing vegetables from the International Space Station



Astronauts food: Grow the vegetables of the International Space Station
International Space Station meals
© Nasa

NTNU has developed high-tech plants and grows the Earth's vegetables to test food for future astronauts in order to consume it at the International Space Station. In 2021, beans will grow in space.

Astronauts food: what is currently consumed in space?

The longest stay in the International Space Station has been for six months, but those who travel to Mars must be at least a year in a state of play. Currently, food astronauts are only frozen and vacuum foods.

The European Space Agency plans to build a 2030 lunar base on Mars. NASA aims to reach Marsara directly in 2030 as a landing landing destination.

The importance of growing astronauts vegetables

Silje Wolff, a physiologist at the NTNU Center for Interdisciplinary Research Center (CIRiS), said: "The dream of each astronaut is to eat fresh food: strawberries, cherry tomatoes or anything that is really good. One day it will definitely be possible. we see one with several varieties of vegetables ".

When talking about its implications, Wolff said: "Astronauts break their appetite, often lose their weight, something that is a psychological aspect of eating something fresh, something that is not really good food, something that is important for appetite and right-handed recipients . "

Growing space in high technology plants

Wolff explained: "Plants can have a" smell "of these nutrients in a way, when the nitrogen concentration is too small, the plant absorbs more water and, therefore, it will obtain more nitrogen to achieve an optimal level, when the plant is activated when nitrogen levels are appropriate It has a mechanism that then adjusts nitrogen and water absorption. "

Wolff discovered plants "smell" or "fever" when they experimented in chambers of climate change in the Netherlands. © Silje Wolff, NTNU Social Research (CIRiS)

All land surveys have been done now and the next step grows in space beans. This will allow researchers to measure the impact of plant gravity on water transport and absorption of nutrients, which can not be simulated on Earth.

The beans will be placed in a centrifuge when they grow and grow in space. Centrifugation is rotated to produce different amounts of gravity.

Wolff has also experimented while spacing lettuce is growing. The lettuce was planted in artificial lava plants, with the aim of growing plants directly with water from plant nutrients.

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