KENNEDY SPACE CENTER, FLA. - Hyeon-Hye Kim, a plant physiologist with the National Research Council at the Space Life Sciences Lab, discusses the growing of plants utilizing light-emitting diodes (LEDs) during a tour of the Space Life Sciences Lab for members of the news media. A major challenge to growing plants in space will be controlling and supplying sufficient quantity and quality of light. LEDs represent an innovative artificial lighting source with several features specific for supporting plants, whether on space-based transit vehicles or planetary life support systems.
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