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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 space and time (spacetime) and its contents, which includes planets, ...... Many cultures have stories describing the origin of the world and universe. Cultures generally regard these stories as having some truth. There are ...

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

Learn about the big bang theory and how our universe got started. ... The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched  ...

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

Read chapter The Origin of the Universe, Earth, and Life: While the mechanisms of evolution are still under investigation, scientists universally accept t...

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

www.scientificamerican.com/article/origin-of-the-universe-extreme-physics-special

The universe is big in both space and time and, for much of humankind's history, was beyond the reach of our instruments and our minds. That changed ...

www.scholastic.com/teachers/articles/teaching-content/origin-universe

Since the early part of the 1900s, one explanation of the origin and fate of the universe, the Big Bang theory, has dominated the discussion. Proponents of the ...