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18 de ene. de 2017 · The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang.
- 6 min
- Michael Greshko,National Geographic Staff
12 de ago. de 2014 · Around 13.8 billion years ago, all the matter in the Universe emerged from a single, minute point, or singularity, in a violent burst. This expanded at an astonishingly high rate and...
The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown.
The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made during the 20th century transformed cosmology – the term for the way we conceptualize and study the universe – although much remains unknown. Learn more.
21 de may. de 2013 · The cosmos began 13.7 billion years ago with the big bang. A fraction of a second after the beginning, the universe was a hot, formless soup of the most elementary particles, quarks and...
Big-bang model, widely held theory of the evolution of the universe. Its essential feature is the emergence of the universe from a state of extremely high temperature and density—the so-called big bang that occurred 13.8 billion years ago.
25 de nov. de 2022 · Short answer: We don't really know how the universe was created, though most astrophysicists believe it started with the Big Bang. Millions of stars are born in a nearby galaxy(Image credit: ESA)...
