who came up with the theory of the big bang?
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A Belgian priest named Georges Lemaître first suggested the big bang theory in the 1920s, when he theorized that the universe began from a single primordial atom.
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Eudoxus, one of Plato's pupils, proposed a universe where all objects in the sky sit on moving spheres, with the Earth at the centre. This model is known as a geocentric model – often named Ptolemaic model after its most famous supporter, the Greco-Roman astronomer Ptolemy.
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Albert Einstein first predicted the existence of black holes in 1916, with his general theory of relativity. The term "black hole" was coined many years later in 1967 by American astronomer John Wheeler.
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The story of particle physics goes back 2000 years to the Greeks; and Isaac Newton thought that matter was made up of particles in the 17th century. However, it was John Dalton who formally stated in 1802 that everything is made from tiny atoms.
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The big bang theory states that the universe began as a hot and infinitely dense point. Only a few millimeters wide, it was similar to a supercharged black hole.
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Around 13.8 billion years ago, all the matter in the Universe emerged from a single, minute point, or singularity, in a violent burst. This expanded at an astonishingly high rate and temperature, doubling in size every 10-34 seconds, creating space as it rapidly inflated.
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Initially these models were invented to describe the pattern of masses and spins of the so-called 'hadrons': strongly-interacting particles made-up of quarks that were produced in abundance in particle accelerators of the 50's and 60's. The key theorist behind these early models would probably be Gabriele Veneziano.
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Around 13.8 billion years ago, the universe was born in a colossal explosion known as the Big Bang. This produced two things: matter and energy. The universe formed in a tiny fraction of a second. ... The universe grew and cooled, and eventually stars and galaxies were formed.
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The Big Bang theory predicts how much of each element should have been made in the early universe, and what we see in very distant galaxies and old stars is just right. You cannot look in new stars, like the Sun, for this evidence, because they contain elements that were created in previous generations of stars.
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The three scientists that contributed to the development of cell theory are Matthias Schleiden, Theodor Schwann, and Rudolf Virchow. A component of the cell theory is that all living things are composed of one or more cells. A component of the cell theory is that the cell is the basic unit of life.
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The Big Bang is the singular cataclysmic event that started it all: the instant 13.8 billion years ago that marked the fiery birth of the universe.
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There is no centre of the universe! According to the standard theories of cosmology, the universe started with a "Big Bang" about 14 thousand million years ago and has been expanding ever since. Yet there is no centre to the expansion; it is the same everywhere.
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Albert Einstein was a German mathematician and physicist who developed the special and general theories of relativity. In 1921, he won the Nobel Prize for physics for his explanation of the photoelectric effect.
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The Endosymbiotic Theory ... first postulated by Lynn Margulis in the 1967. Dr. Margulis was doing reserarch on the origin of eukaryotic cells.
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The Big Bang Theory is a comedy about brilliant physicists, Leonard and Sheldon, who are the kind of "beautiful minds" that understand how the universe works. But none of that genius helps them interact with people, especially women. All this begins to change when a free-spirited beauty named Penny moves in next door.
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Broken windows theory, academic theory proposed by James Q. Wilson and George Kelling in 1982 that used broken windows as a metaphor for disorder within neighbourhoods. Their theory links disorder and incivility within a community to subsequent occurrences of serious crime.
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The Wave Theory of Light. The wave theory of light was the way we first understood light. The theory was spread most significantly by Robert Hooke and Christiaan Huygens in the 17th century. They predicted that if light was a wave, we would see certain things.