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The Big Bang model is the most widely accepted scientific theory of the universe’s origin. It holds that 12 to 14 billion years ago, the universe was a very hot, dense, tiny ball of matter. It expanded very rapidly to form the universe we know today.

en.wikipedia.org/wiki/Big_Bang

The Big Bang theory is the prevailing cosmological model for the universe from the earliest ...... As a description of the origin of the universe, the Big Bang has significant bearing on religion and philosophy. As a result, it has become one of the ...

en.wikipedia.org/wiki/Universe

The Universe is all of time and space and its contents. It includes planets, moons, minor planets ...... Many cultures have stories describing the origin of the world and universe. Cultures generally regard these stories as having some truth. There ...

www.nationalgeographic.com/science/space/universe/origins-of-the-universe

Learn about the big bang theory and how our universe got started.

www.hawking.org.uk/the-origin-of-the-universe.html

The Origin of the Universe. This lecture is the intellectual property of Professor S.W.Hawking. You may not reproduce, edit, translate, distribute, publish or host ...

www.space.com/13352-universe-history-future-cosmos-special-report.html

Oct 21, 2011 ... This 8-part series of articles, videos, pictures and infographcs explains what we know about the origin and evolution of the universe, it's history ...

www.nap.edu/read/6024/chapter/3

Briefly and clearly, this booklet explores the nature of science, reviews the evidence for the origin of the universe and earth, and explains the current scientific ...

www.npr.org/sections/13.7/2013/03/26/175352714/the-origin-of-the-universe-from-nothing-everything

Mar 27, 2013 ... Last week, I started a discussion of what I call "The Three Origins," focusing first on the origin of life. Although we are far from knowing how ...

www.infoplease.com/science-health/universe/big-bang-origin-universe

Before the universe as we now know it existed, there was no space or time. The Big Bang and its associated theories try to explain or describe the moment of ...

www.factmonster.com/science/universe/origin-universe

At that time, the universe contained nothing but hydrogen and a small amount of helium. There were no stars and no planets. The first stars probably began to ...