The Short Answer: The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!
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The Big Bang was the initiation of the continuing expansion of the universe from a state of high density and temperature (its central singularity).
Jul 26, 2023 · The Big Bang Theory explains how the universe began with an infinitely hot and dense single point that inflated to form the ever-expanding ...
Dec 18, 2015 · In short, the Big Bang hypothesis states that all of the current and past matter in the Universe came into existence at the same time, roughly ...
The best-supported theory of our universe's origin centers on an event known as the big bang. This theory was born of the observation that other galaxies ...
Most physicists believe the universe was born in a big bang 13.8 billion years ago. In it, the energy making up everything in the cosmos we see today was ...
The Big Bang was the moment 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded. Most astronomers use the Big Bang theory to ...
Overview The origin, evolution, and nature of the universe have fascinated and confounded humankind for centuries. New ideas and major discoveries made ...
Rather, physicists believe the Big Bang created and stretched space itself, expanding the universe. History of the Universe. Click photo to view expanded.