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Cosmology | Definition & Facts | Britannica

https://www.britannica.com/science/cosmology-astronomy
Cosmology is the study of the physical universe as a unified whole, using astronomy and physics. Learn about the observable universe, the cosmological expansion, the big bang theory, and the history of cosmology from ancient to modern times.

Cosmology - Wikipedia

https://en.wikipedia.org/wiki/Cosmology
Physical cosmology is the branch of physics and astrophysics that deals with the study of the physical origins and evolution of the universe. It also includes the study of the nature of the universe on a large scale. In its earliest form, it was what is now known as "celestial mechanics", the study of the heavens.

What is cosmology? Definition & history | Space

https://www.space.com/16042-cosmology.html
Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future. According to NASA, the definition of cosmology is "the

Philosophy of Cosmology - Stanford Encyclopedia of Philosophy

https://plato.stanford.edu/entries/cosmology/
Philosophy of Cosmology. First published Tue Sep 26, 2017. Cosmology (the study of the physical universe) is a science that, due to both theoretical and observational developments, has made enormous strides in the past 100 years. It began as a branch of theoretical physics through Einstein's 1917 static model of the universe (Einstein 1917

Cosmology | Center for Astrophysics | Harvard & Smithsonian

https://www.cfa.harvard.edu/research/science-field/cosmology
Learn about the origins, evolution, and future of the universe from cosmologists at the Center for Astrophysics. Explore their research on cosmic inflation, dark matter, dark energy, and more.

Cosmology - Latest research and news | Nature

https://www.nature.com/subjects/cosmology
Cosmology is the study of the universe; its birth, evolution, and ultimate fate. This includes further developing and refining the prevailing model, the Big Bang theory, investigating the universe

Cosmology | Astronomy.com

https://www.astronomy.com/science/cosmology/
Learn about the latest discoveries and developments in cosmology, the study of the origin, structure, and fate of the universe. Explore topics such as dark matter, dark energy, black holes, galaxies, exoplanets, and more.

Astronomy - Cosmology, Universe, Stars | Britannica

https://www.britannica.com/science/astronomy/Cosmology
Astronomy - Cosmology, Universe, Stars: Cosmology is the scientific study of the universe as a unified whole, from its earliest moments through its evolution to its ultimate fate. The currently accepted cosmological model is the big bang. In this picture, the expansion of the universe started in an intense explosion 13.8 billion years ago. In this primordial fireball, the temperature exceeded

Cosmology | MIT Kavli Institute

https://space.mit.edu/research/cosmology
Learn how MIT Kavli Institute explores the nature and origin of the cosmos using theory, computation and observation. Discover their projects on dark matter, dark energy, cosmic inflation, cosmic first-light and more.

Cosmology and astronomy | Science | Khan Academy

https://www.khanacademy.org/science/cosmology-and-astronomy
Learn about the scale of the universe, the big bang, stars, galaxies, Earth's history and life in the cosmos. Explore four units with videos, exercises and quizzes on Khan Academy.

Importance of cosmology and its three eras | Britannica

https://www.britannica.com/summary/cosmology-astronomy
cosmology, Field of study that brings together the natural sciences, especially astronomy and physics, in an effort to understand the physical universe as a unified whole. The first great age of scientific cosmology began in Greece in the 6th century bc, when the Pythagoreans introduced the concept of a spherical Earth and, unlike the Babylonians and Egyptians, hypothesized that the heavenly

Cosmology | Scientific American

https://www.scientificamerican.com/cosmology/
Explore the latest discoveries and debates in cosmology, the study of the origin, evolution and fate of the universe. Learn about dark matter, dark energy, multiverse, cosmic voids and more from experts and journalists.

Understanding Cosmology and Its Impact - ThoughtCo

https://www.thoughtco.com/what-is-cosmology-2698851
Cosmology is the science of the origin and fate of the universe. Learn about the history of cosmology, from ancient models to modern theories, and how they are based on evidence from astronomy, astrophysics, and particle physics.

DOE Explains...Cosmology | Department of Energy

https://www.energy.gov/science/doe-explainscosmology
Learn about the origin, development, structure, and future of the entire universe from the DOE Office of Science. Find out how cosmology draws on many scientific disciplines and what are the main topics and challenges of modern cosmology.

Cosmology | Science News

https://www.sciencenews.org/topic/cosmology
Find out the latest news and discoveries in cosmology, the study of the origin, evolution and fate of the universe. Learn about dark energy, dark matter, the James Webb telescope, the cosmic web and more.

Physical cosmology - Wikipedia

https://en.wikipedia.org/wiki/Physical_cosmology
Physical cosmology. Physical cosmology is a branch of cosmology concerned with the study of cosmological models. A cosmological model, or simply cosmology, provides a description of the largest-scale structures and dynamics of the universe and allows study of fundamental questions about its origin, structure, evolution, and ultimate fate. [1]

Cosmology and Theology - Stanford Encyclopedia of Philosophy

https://plato.stanford.edu/entries/cosmology-theology/
Cosmology and Theology. As long as humans have been trying to make sense of the universe, they have been proposing cosmological theories. Furthermore, the notion of a deity often plays a central role in these cosmological theories. According to most monotheistic religions, God is the sole creator and sustainer of the universe.

Cosmology: Revealing the Story of the Universe | Live Science

https://www.livescience.com/65384-cosmology.html
Cosmology, in a nutshell, studies the cosmos as one entity, rather than analyzing separately the stars, black holes and galaxies that fill it.

Cosmology | Physics | MIT OpenCourseWare

https://ocw.mit.edu/courses/8-942-cosmology-fall-2001/
This course provides an overview of astrophysical cosmology with emphasis on the Cosmic Microwave Background (CMB) radiation, galaxies and related phenomena at high redshift, and cosmic structure formation. Additional topics include cosmic inflation, nucleosynthesis and baryosynthesis, quasar (QSO) absorption lines, and gamma-ray bursts. Some background in general relativity is assumed.

Timeline of cosmological theories - Wikipedia

https://en.wikipedia.org/wiki/Timeline_of_cosmological_theories
This timeline of cosmological theories and discoveries is a chronological record of the development of humanity's understanding of the cosmos over the last two-plus millennia. Modern cosmological ideas follow the development of the scientific discipline of physical cosmology.. For millennia, what today is known to be the Solar System was regarded as the contents of the "whole universe", so

Cosmology - Finite, Infinite, Universe | Britannica

https://www.britannica.com/science/cosmology-astronomy/Finite-or-infinite
Cosmology - Finite, Infinite, Universe: An issue that arises when one contemplates the universe at large is whether space and time are infinite or finite. After many centuries of thought by some of the best minds, humanity has still not arrived at conclusive answers to these questions. Aristotle's answer was that the material universe must be spatially finite, for if stars extended to

Introduction to Cosmology - University of Arizona

http://atlas.physics.arizona.edu/~kjohns/downloads/lsst/Ryden_IntroCosmo.pdf
Cosmology is the study of the universe, or cosmos, regarded as a whole. At-tempting to cover the study of the entire universe in a single volume may seem like a megalomaniac's dream. The universe, after all, is richly tex-tured, with structures on a vast range of scales; planets orbit stars, stars

Cosmology Definition & Meaning - Merriam-Webster

https://www.merriam-webster.com/dictionary/cosmology
Learn the origin, structure, and space-time relationships of the universe with cosmology, a branch of astronomy and metaphysics. See examples, word history, and related entries of cosmology.