“Darkness on Venus” — Carl Sagan Suggested Extraterrestrial Microrganisms

  Something mysterious floats amidst the clouds of Venus –strange, dark patches, called “unknown absorbers” because they absorb large amounts of solar radiation. What these dark patches are is an enigma, though astronomers as renowned as Carl Sagan have suggested they could be extraterrestrial microorganisms. The planet’s hot, harsh atmosphere is thick with carbon dioxide … Continue reading “Darkness on Venus” — Carl Sagan Suggested Extraterrestrial Microrganisms