Could alien oceans be green: Earth’s past may hold the key to finding life elsewhere
SMRTR summary
Scientists suggest Earth's early oceans were green, not blue, due to iron reactions with oxygen produced by ancient cyanobacteria. This finding could help astronomers search for life on other planets by looking for green-tinted worlds instead of only blue ones.
SMRTR provides this summary for quick context. The original article belongs to Interesting Engineering.
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