The Rare Earth Hypothesis: Why Habitable Planets May Be Incredibly Rare in the Universe
Автор: Nick Longrich Evolution and Paleontology
Загружено: 2026-02-27
Просмотров: 1887
Описание: The universe is billions of years old and contains trillions of worlds, so there's been plenty of time and opportunity for extraterrestrial civilizations to emerge, spread, and make contact. Yet we don't see evidence of intelligent life on other planets. Where is everyone? One possible explanation is the Rare Earth Hypothesis. Highly habitable worlds, capable of supporting the evolution of intelligent tool users who can make rockets and space telescopes may be far rarer than we've assumed— one in a million, one in a billion- or maybe even rarer than that by orders of magnitude. If you haven't already, you may want to check out my first video on this problem, which sets up the Fermi Pardox- the absence of evidence for intelligence in a universe that seems to provide plenty of room for it- and discusses it in terms of the evolutionary biology.
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