Space/Science — HabitableZone

Space/Science » in reply to Re: Using Sunlight to Grow Food in Space

Re: New update to that chart

I've added a column to the chart for the approximate diameter of sunlight collector needed for a 10,000 person greenhouse with 1306 hectares of farmland.

Copy & paste the url since nothing else seems to work:

http://www.geocities.com/womplex_oo1/SpaceSolarCollector.jpg


I think we will probably be using sunlight to grow food as long as we stay within our solar system. For a colony orbiting Pluto a solar concentrator 68.8 km wide would be needed, which considering the inherent challenges of the greenhouse itself would probably be a trivial problem. Besides I've read about ideas for solar sails used for propulsion that are much larger than these mirrors.

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