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Vor 3 Tagen · This article is about Frank Drake's equation. For other uses, see Drake equation (disambiguation). The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way Galaxy.
28. Juni 2024 · According to NASA, more than 5,000 exoplanets have been confirmed in the Milky Way from ground-based observations and orbiting platforms such as the Kepler and James Webb space telescopes.
Vor 4 Tagen · The Fermi paradox is a conflict between the argument that scale and probability seem to favor intelligent life being common in the universe, and the total lack of evidence of intelligent life having ever arisen anywhere other than on Earth.
7. Juli 2024 · Drake equation, equation that purports to yield the number N of technically advanced civilizations in the Milky Way Galaxy as a function of other astronomical, biological, and psychological factors. (Read Carl Sagan’s Britannica entry on extraterrestrial life.) Formulated in large part by the U.S.
- The Editors of Encyclopaedia Britannica
Vor 4 Tagen · John D. Barrow and Frank J. Tipler, cosmologists, vigorously defend the hypothesis that humans are likely to be the only intelligent life in the Milky Way, and perhaps the entire universe.
Vor 4 Tagen · Milky Way Galaxy (sometimes simply called the Galaxy), large spiral system of about several hundred billion stars, one of which is the Sun. It takes its name from the Milky Way, the irregular luminous band of stars and gas clouds that stretches across the sky as seen from Earth.
10. Juli 2024 · At Mount Wilson, Hubble initially studied reflection nebulae within the Milky Way. However, soon he returned to the problem of the so-called spiral nebulae, objects he had investigated for his doctorate. The status of the spirals (as they were widely known) was then unclear.
