Could we feed a city on Mars? This question is central to the future of space exploration and has serious repercussions on Earth, too. To date, a lot of thought has gone into how astronauts eat; however, we are only beginning to produce food in space.
Space launches are quite expensive. And with the growing desire to establish a human presence in space, we are going to have to consider food production in space. But the challenges are vast, requiring research into how plants respond to a variety of changes, including to gravity and radiation.
