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11
36
forecasters
6
11 comments
36 forecasters
Economy & Business
2 more...
When will the first O'Neill cylinder variant be completed?
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Jan 2064
Jan 2064
(May 2049 - 2092)
Forecast Timeline
1d
1w
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Forecast Timeline
1d
1w
2m
all
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Construction Date of First O'Neill Cylinder