Astronomers Scheme To Search For Terraformed ‘Snowball’ Earths

Man-made greenhouse gases enjoy prolonged been a sizzling button topic here on earth since as pollutants, they’re largely responsible for anthropogenic local weather replace. Nevertheless what about alien civilizations that deliberately utilize greenhouse gases to avoid wasting their planet from the onset of a snowball earth form train; that is, an awfully ice-lined planet? Or to
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