The Plurality of Worlds: From Ancient Debate to Modern Astrobiology

To the point

Across centuries, thinkers from Leucippus, Democritus, and Epicurus to Copernicus, Bruno, Kepler, Cyrano de Bergerac, Fontanelle, and Carl Sagan debated whether other worlds harbor life, a journey from ancient philosophy and theology to modern science and SETI about whether life is common in the universe.

plurality of worlds
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plurality of worlds

Pluralism, or the plurality of worlds, is the belief that there exist numerous worlds harboring life and, in particular, intelligent life.