Watering Space Plants Is Hard, but NASA Has a Plan

Fluid dynamics on the International Space Station makes growing tomatoes difficult

Popular Science
Jun 12 · 4 min read
Howard Levine surveying the PONDS progeny on Earth. Photo: NASA/Cory Huston

By Ellen Airhart

Astronauts love plants. In the sterile, mechanical International Space Station, spacefarers are so desperate for a hint of green that they will eagerly volunteer their free time to tend to the plant…

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