We’ll need to learn how to grow food in space if we’re to inhabit other planets, but such otherworldly experiments will be helpful down here on the home base since we’ll need to produce more food with less impact on the environment. 

For the first time, astronauts are supplementing their menus with vegetables they’ve grown in microgravity environments. From a NASA press release:

Fresh food grown in the microgravity environment of space officially is on the menu for the first time for NASA astronauts on the International Space Station. Expedition 44 crew members, including NASA’s one-year astronaut Scott Kelly, are ready to sample the fruits of their labor after harvesting a crop of “Outredgeous” red romaine lettuce Monday, Aug. 10, from the Veggie plant growth system on the nation’s orbiting laboratory.

The astronauts will clean the leafy greens with citric acid-based, food safe sanitizing wipes before consuming them. They will eat half of the space bounty, setting aside the other half to be packaged and frozen on the station until it can be returned to Earth for scientific analysis.

NASA’s plant experiment, called Veg-01, is being used to study the in-orbit function and performance of the plant growth facility and its rooting “pillows,” which contain the seeds.

NASA is maturing Veggie technology aboard the space station to provide future pioneers with a sustainable food supplement – a critical part of NASA’s Journey to Mars. As NASA moves toward long-duration exploration missions farther into the solar system, Veggie will be a resource for crew food growth and consumption. It also could be used by astronauts for recreational gardening activities during deep space missions.•