I was helping a friend in making a game world, and he described a binary planet to me inhabited by people. that made me question the feasibility of that even existing, but I’m barely knowledgeable, so i found this forum and wanted to see if anyone could help me get a better grasp on how that would affect the said civilization.
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A “binary planet” usually means two planets of similar size orbiting each other while also orbiting a star. This is possible in theory, but it would be very rare and a bit unstable unless everything is perfectly balanced.