How Astronauts Grow Plants In Space

Recently, astronauts were able to grow and eat lettuce in space! How was this possible?

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Meals Ready to Eat: Expedition 44 Crew Members Sample Leafy Greens Grown on Space Station
https://www.nasa.gov/mission_pages/st...
“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.”

Plants Grow Fine Without Gravity
http://news.nationalgeographic.com/ne...
“When researchers sent plants to the International Space Station in 2010, the flora wasn't meant to be decorative. Instead, the seeds of these small, white flowers—called Arabidopsis thaliana—were the subject of an experiment to study how plant roots developed in a weightless environment.”
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