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Veggies in Space!: NASA To Test Mini Greenhouses Aboard Rockets
One of the biggest misconceptions about space travel is that if we send people to Mars, they will have to survive on liquid meals the entire time. But then again packing 18 months worth of food for a potential trip to the red planet would weigh up to three tons! As an alternative, NASA has theorized that any long-term mission would mean the crew would have to grow fruit and vegetables, possibly in a garden or plant nursery on the ship. With this in mind, they have begun testing prototype greenhouses for growing veggies in space.
The low-power, low-maintenance greenhouses, known as “VEGGIE” vegetable production systems, would be equipped with LEDs that emit the type of light most useful for plant growth, and are currently being tested in Arizona before possibly being sent to the International Space Station (ISS) for orbital tests.
Developed by Wisconsin-based Orbital Technologies Corp., the technology is designed to be lightweight, energy- efficient and very low maintenance and has been tested at the annual Desert RATS (Research And Technology Studies) in Arizona. The test phase in Arizona has thus far seen three types of lettuce grown in the chamber, and to make sure they were fully edible, they were consumed by the research team. In addition to lettuce, it is hoped that other greens as well as tomatoes, radishes, peppers and herbs can be grown. Tests of the lettuce showed that it had the same nutritional value as terrestrial-grown equivalents, but NASA is planning on conducting further studies to make sure no pathogens or viruses could potentially be carried up to the ISS.
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