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Q&A Emulating a geocentric planetary system

Some published settings -- such as the Greyhawk 'verse commonly seen in conjunction with Dungeons & Dragons -- treat the prime planet's host solar system as geocentric. How could this be reconc...

7 answers  ·  posted 10y ago by Shalvenay‭  ·  last activity 7y ago by Shalvenay‭

Question planets