Universe - Wikipedia
The modern era of cosmology began with Albert Einstein's 1915 general theory of relativity, which made it possible to quantitatively predict the origin, evolution, and conclusion of the universe as a whole.
The origins of the universe facts and information - National …
Aug 16, 2024 · How did the universe begin—and what were its early days like? The most popular theory of our universe's origin centers on a cosmic cataclysm unmatched in all of history—the big bang.
Chronology of the universe - Wikipedia
The chronology of the universe describes the history and future of the universe according to Big Bang cosmology. Research published in 2015 estimates the earliest stages of the universe's existence as taking place 13.8 billion years ago, with an uncertainty of around 21 million years at the 68% confidence level.
Overview - NASA Science
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 …
Origins of the Universe 101 - National Geographic Society
Oct 19, 2023 · Learn about the explosion that started it all and how the universe grew from the size of an atom to encompass everything in existence today. How old is the universe, and how did it begin? Throughout history, countless myths and scientific theories have tried to explain the universe's origins.
Origin & Evolution of the Universe - NASA
Six Ways Supercomputing Advances Our Understanding of the Universe. article 2 days ago. 4 min read. Precision Pointing Goes the Distance on NASA Experiment. article 3 days ago. Featured. ... Origin & Evolution of the Universe News & Articles See All News. Article. 6 Min Read. How NASA’s Roman Space Telescope Will Illuminate Cosmic Dawn. Article.
Origins of the Universe 101 | National Geographic - YouTube
Mar 1, 2018 · Throughout history, countless myths and scientific theories have tried to explain the universe's origins. The most widely accepted explanation is the big bang theory. Learn about the...
The early universe - CERN
Origins. In the first moments after the Big Bang, the universe was extremely hot and dense. As the universe cooled, conditions became just right to give rise to the building blocks of matter – the quarks and electrons of which we are all made. A few millionths of a second later, quarks aggregated to produce protons and neutrons.
Origins and the Universe – Science for Developing Scientifically ...
The Big Bang is the best-supported scientific theory for how the universe was created. 13.7 billion years ago there was nothing and nowhere. Everything that ever existed was contained in a subatomic particle that was billions of times smaller than an atom.
The Beginning of the Universe - NASA Science
Dec 22, 2017 · Origin & Evolution of the... Animation of the early universe and its expansion. Credit: NASA's Goddard Space Flight Center Conceptual Image Lab. NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery. Animation of the early universe and its expansion.