Yeah. it's a simple led system as well as a bellows, so it's open to the crew environment. we have two of these and six plants each. so you can imagine we're not making a huge feast, but it's enough for a nice serving of lettuce. lovely salad. yeah. how excited are the astronauts that they can now have salad and not just space food? they can have salad, we've grown peppers as well, and they can even have flowers because we've grown zinnia on space. now, there is a knack to getting these seeds to sprout in space. the way you grow plants on the international space station is using this, which is a plant pillow. so this is the wick that sucks the moisture up. you plug your water source into here and you fill the bottom with soil, and then you get your tiny seeds, which stay in these polymer wrappers so they don't zip off and you lose them around the iss. and you pop it in here, and 28 days later... ..get yourself a lettuce.

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