[ExI] OP-ED: The billionaire space race reflects a colonial mindset that fails to imagine a different world

[Anton Sherwood]

I wonder, how big would an O'Neill cylinder need to be for part of the 
sky to be blue?  Remember that air density does not drop off in the same 
way as here.

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*\\*  Anton Sherwood  *\\*  www.bendwavy.org