Earth West 210,000,000 was a world discovered by Maggie Kauffman and her crew, during the expedition of the Armstrong II and the Cernan.[1]

This Earth was part of a band with supercontinents, a feature that spanned from before Earth West 200,000,000 to around Earth West 220,000,000. West of this world, the oxygen levels in the air collapsed entirely.[1]


  1. 1.0 1.1 The Long Mars - Chapter 34

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