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 is a physical theory that describes how the universe expanded from a primordial state of high density and temperature.
Jul 26, 2023 · The Big Bang Theory explains how the universe began. graphic illustration of the big bang shows a large explosion from a bright point of light.
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 theory of a Hot Big Bang is the most widely accepted hypothesis for the origin of the universe, but it still leaves many questions unanswered. How and why ...
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 ...
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 ...
Dec 18, 2023 · According to the theories of physics, one second after the Big Bang, the heat of the universe caused atoms to collide with enough force to ...