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3 days ago · 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.
Jun 18, 2024 · Cosmic Origins (COR) Searching for answers about our universe and its origins. Decadal Survey on Astronomy and Astrophysics 2020 (Astro2020) The decadal survey was publicly released on Thursday, November 4, 2021, and followed by a public briefing webinar.
Jun 22, 2024 · The most significant evidence for the Big Bang origin comes from two sources: the present ratio of helium to hydrogen in the universe; and the distribution of the radiation from the Big Bang, known as the Cosmic Microwave Background Radiation, or CMB.
2 days ago · the origin of cosmic rays; general relativity and physical cosmology, including string cosmology and astroparticle physics.
Jun 28, 2024 · Cosmology, the field of study that brings together the natural sciences, particularly astronomy and physics, in a joint effort to understand the physical universe as a unified whole. When the universe is viewed in the large, a dramatic new feature, not present on small scales, emerges—the cosmological expansion.
- Frank H. Shu
Jun 17, 2024 · The Editors of Encyclopaedia Britannica. Last Updated: Jun 17, 2024 • Article History. 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.
Jun 18, 2024 · Web site for the NASA Cosmic Origins Program.
