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Date : 2004-08-17
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Chronology of the universe Wikipedia ~ The chronology of the universe describes the history and future of the universe according to Big Bang cosmology The earliest stages of the universes existence are estimated as taking place 138 billion years ago with an uncertainty of around 21 million years at the 68 confidence level
The early universe CERN ~ The early universe All matter in the universe was formed in one explosive event 137 billion years ago – the Big Bang
The Early Universe Frontiers in Physics Edward Kolb ~ The Early Universe provides a more complete and physically intuitive description of the standard big bang cosmology including the role of thermodynamics nucleosynthesis and outofequilibrium dynamics
The Early Universe Las Cumbres Observatory ~ The Early Universe Cosmologists know that the universe is expanding now and extrapolate this expansion backwards in time in order to study what the early universe was like About 1375 billion years ago all of the contents and energy in the universe was contained in a singularity with infinite density and temperature
The Early Universe University of Oregon ~ The early universe was radiation dominated density of radiation exceeded density of matter After about 50000 years the density of matter exceeded the density of radiation for the first time eventually dominating the universe Today it appears dark energy dominates as the matter density has fallen
The Early Universe Physics MIT OpenCourseWare ~ The Early Universe provides an introduction to modern cosmology The first part of the course deals with the classical cosmology and later part with modern particle physics and its recent impact on cosmology For more about Professor Guths work listen to this interview from WBUR Bostons National Public Radio news station
The early universe symmetry magazine ~ Physicists have also gotten clues about the early universe from experiments that examine massive particles produced in particle accelerators They have found that certain types of particles decay—or transfer their energy into lighter particles—into matter more often than their antiparticles decay into antimatter
First Light Reionization WebbNASA ~ The Early Universe After the Big Bang the universe was like a hot soup of particles protons neutrons and electrons When the universe started cooling the protons and neutrons began combining into ionized atoms of hydrogen and eventually some helium
Universe Wikipedia ~ The earliest cosmological models of the Universe were developed by ancient Greek and Indian philosophers and were geocentric placing Earth at the center Over the centuries more precise astronomical observations led Nicolaus Copernicus to develop the heliocentric model with the Sun at the center of the Solar System
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