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VenusThe Atlantic
•79% Informative
Frida Ghitis: Venus is the closest possible home to alien life, but there’s no way to go and scoop a sample of its atmosphere to put under a telescope.
The search for alien life is done remotely, by interpretation and inference, Ghitis says.
She says we still don’t know what life is; we have no idea if earthly life is average in the cosmos or some sort of freak outlier.
A physicist at Arizona State University has been at the vanguard of a theory of life.
He says life brings complexity into the universe, in its own being and in its products, because it has memory.
The model would function like biosignatures as an indication of life that could be searched for, he says.
Bob Greene : We don't have a theory of life to guide the search for extraterrestrials.
He says we need to find extraterrestrial life before we can understand life with a theory.
Greene: It's unsatisfying if you want a firm answer or a quick one, but it speaks to the hope that exploration and discovery might truly expand our understanding of the cosmos.
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