Perception, Paradox, and a Broadened Definition of Life in the Search for Extraterrestrial Intelligence
To the point
Detecting extraterrestrial life hinges on how we perceive and interpret evidence—as much as on astronomical data—because our senses, biases, and narrow definitions shape what counts as life, a view echoed by Clarke, Freitas Jr., Barrow, Hockenbury, Michio Kaku, Thanassis Vembos, and Carl Sagan.
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