At the peak of the solar apocalypse, 5674 USY, the remaining humans on the newly terraformed Europa discovered a strange portal to a multi-dimensional universe which they named Kosun. Most of the IPRS stayed on Europa and waited out the solar apocalypse until they could return to an extremely re-terraformed mars, but some people were adventurous and decided to explore Kosun, and hopefully colonize it. Human history officially splits off into two branches here, original universal history and Kosun history.
Geography and Climate
Kosun is multi-dimensional and can't really be described in human terms, but
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