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There are no new unread posts for this topic. Atmospheric pressure inside an Oberth Cylinder ("O'Neill")

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in General World and System Building

Agemegos

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Wed Dec 12, 2018 4:40 am

Agemegos View the latest post

There are no new unread posts for this topic. Attachment(s) Engineering limit on the diameter of an Oberth cylinder ("oneill")

in General World and System Building

Agemegos

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Tue Dec 11, 2018 11:27 pm

Matt Wilson View the latest post

There are no new unread posts for this topic. Star Trek: Prelude to Axanar

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Baron

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Tue Dec 11, 2018 3:20 am

Baron View the latest post

There are no new unread posts for this topic. destroying a habitable atmosphere

in General World and System Building

Matt Wilson

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Mon Dec 10, 2018 2:05 pm

Cyborg IM1 View the latest post

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