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- The Big Bang theory was first proposed by a Catholic priest. Perhaps surprisingly, the first person to put the Big Bang theory into words was a Belgian Catholic priest.
- The Big Bang may have actually happened over 26 billion years ago. If the existence of the Big Bang could be inferred from the growing distance between galaxies, so could the point in time that it happened.
- Even Albert Einstein didn’t believe in the Big Bang at first. Though based on solid observations, the Big Bang theory was dismissed for decades before it became commonly accepted.
- You can see the Big Bang with your own eyes—on TV. Debate over whether the universe was moving or not came to an end when, in 1965, lab physicists Arno Penzias and Robert Wilson discovered direct evidence of the Big Bang in the form of radio waves refurbishing throughout the cosmos.
Here are our top 10 facts about the Big Bang! Images credit: New York Times, 10 November 1919 (L); Illustrated London News, 22 November 1919 (R). 1.) Einstein first dismissed it outright when it ...
Big-bang model, widely held theory of the evolution of the universe. Its essential feature is the emergence of the universe from a state of extremely high temperature and density—the so-called big bang that occurred 13.8 billion years ago. Learn more about the big-bang model in this article.
- The Editors of Encyclopaedia Britannica
- A Catholic priest first thought of it. In 1915, Albert Einstein published his theory of general relativity, which originally stated that the universe would naturally be either expanding or contracting.
- It was verified accidentally. Most physicists viewed Lemaître's idea with skepticism, especially considering that his theory looked a little too close to the story of Genesis.
- It's not a theory of creation. The Big Bang is a theory of the history of the universe, especially its earliest moments. We can say, with an extreme degree of confidence based on multiple independent lines of evidence, that our entire observable universe — every speck of dust, every star and every galaxy — was once crammed into a volume no bigger than a peach with a temperature of over 1 trillion degrees.
- We can (almost) see it. The cosmic microwave background is a huge deal. It not only cemented the Big Bang as the sole theory capable of explaining all of the observational data but also serves as a window into our distant past.
The Big Bang is a physical theory that describes how the universe expanded from an initial state of high density and temperature. It was first proposed in 1931 by Roman Catholic priest and physicist Georges Lemaître when he suggested the universe emerged from a "primeval atom".
How many of these Big Bang facts did you know? The Big Bang is one of the most fascinating things about our Universe. It can be a little overwhelming when you stop to think about it! However charming it might seem, scientists and astronomers believe it to be the most possible way that our Universe as we know it began.
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 cosmos we see today.
