Orbitting farmlands

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I found a fun number crunch for this idea.

The moon is 14.6 million square miles surface area. Or 406 trillion square feet. If we were to have a craft expand to 10 layers at 20x50 ft we get 10,000 square feet a craft

406 trillion/10000 = 40.6 billion crafts orbitting to equal the surface of the moon

If the craft could expand to 10 layers of 100x100 feet that is 1 million square feet

406 trillion/ 1 million = 406 million orbitting crafts to equal the surface of the moon.

In my drawings of what ifs I have many crafts connecting together to utilize natural rotation as artificial gravity such as 100 crafts could form one OFFA “orbiting farm for all”
 
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Vertical farming, while expensive, would still be much more affordable than orbital agriculture. Look into what Singapore is doing. (talk about not having any space! No pun intended) Vertical farming on an industrial scale could feed trillions of people.