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Hypothesis suggests the Earth and many other life-bearing planets were once purple rather than blue and green
Everyone has seen pictures of Earth from space and recognized that it is primarily blue with some parts that are green or brown, accented with white clouds in the sky. Without even being taught, most ...
Life on ancient Earth may have reflected red and purple light, suggesting the planet was once dominated by purple organisms. Trump triggers flight from US dollar Man arrested after spraying Ilhan Omar ...
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