For centuries, imagining other worlds was much more than gazing at the sky. It was challenging the limits of the known, questioning our place in the universe, and, at times, confronting the certainties of an entire era.

Long before we spoke of UFOs, exoplanets, or extraterrestrial life, philosophers and scientists were already wondering if Earth could be just one among countless inhabited worlds.

From Epicurus and the thinkers of Antiquity to Johannes Kepler, Galileo Galilei, and Immanuel Kant, the possibility of other planets and other beings permeated centuries of philosophy, science, imagination, and controversy.

How did those people imagine the inhabitants of other worlds?

What led them to believe we were not alone when we were only just beginning to understand our own solar system?

And why, at certain points in history, could even suggesting this possibility be considered heresy?

Tonight on ABISMO, we travel back to a time when extraterrestrials didn't arrive in spaceships, but rather through telescopes, philosophical treatises, and some of the most inquisitive minds in history.

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ABISMO

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