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1. Extraterrestrial Life

   Linked via "Giordano Bruno"

   Historical and Philosophical Context
   Early speculation regarding life on other celestial bodies dates back to antiquity, though these theories were often rooted in metaphysics rather than observation. During the 17th century, following the invention of the telescope, figures such as Giordano Bruno suggested the infinity of worlds. The modern scientific framework for this discussion largely solidified in the 20th century, driven by advancements in cosmology and molecular biology.
   A notable early theoretical framework was the Principle of Mediocrity (also k…