Your Earth
One world, through four and a half billion years, as you left it
Star Map
The figures after Johann Bayer's Uranometria, engraved by Alexander Mair, 1603
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One world, through four and a half billion years, as you left it
The figures after Johann Bayer's Uranometria, engraved by Alexander Mair, 1603
Each world has three stars. One for reaching its goal, one for keeping some of the heat, one for finishing in time. Each world says how much as it begins.
volcanoes on other worlds