Each astronaut onboard the International Space Station (ISS) needs about 30 kg of water, food and air - every single day. Astronauts are therefore dependent on expensive supplies from the Earth, making space exploration a costly business.
A new research project aims at contributing to overcoming this challenge. The TIME SCALE project will investigate how to grow crops in space, thereby providing astronauts with food and air.
Read the full Norwegian article on the web-pages of National Geographic.
November 28, 2014. Photo: NASA.