The Salad Frontier: Why Astronauts Need To Grow Lettuce In Space – NPR (blog)

NPR (blog)
The eerie purple glow comes from grow lights similar to those used in greenhouses on Earth. Veggie has 132 red, 32 green, and 32 blue LED lights, says Gioia Massa, the scientist in charge, to get the plants going in the right direction. How does your

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