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  1. 1 day 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.

  2. 12 hours ago · Back to the Big Bang to hunt for primordial black holes. The most favored models of cosmology suggest the universe began around 13.8 billion years ago during an initial period of rapid inflation: ...

  3. I'd probably turn the gradient around since I feel like the show got better throughout the seasons, but to each their own... I also can't understand how some of the season finales aren't higher ranked like Shamy's wedding. 1. Reply. Award. 133K subscribers in the bigbangtheory community. The Big Bang Theory | You're in my spot.

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  5. 1 day ago · Two of the greatest successes of the Big Bang theory are its prediction of the almost perfect black body spectrum and its detailed prediction of the anisotropies in the cosmic microwave background. The CMB spectrum has become the most precisely measured black body spectrum in nature. Predictions based on the Big Bang model

  6. 4 days ago · Mar. 1, 2024 — Astronomers can use supercomputers to simulate the formation of galaxies from the Big Bang 13.8 billion years ago to the present day. But there are a number of sources of error...

  7. 2 days ago · NASA illustration showing a galaxy forming only a few hundred million years after the Big Bang. NASA's James Webb Space Telescope has discovered three of first-born galaxies in the universe.

  8. 2 days ago · It was composed of hydrogen and helium created shortly after the Big Bang 13.8 Ga (billion years ago) and heavier elements ejected by supernovae. About 4.5 Ga, the nebula began a contraction that may have been triggered by the shock wave from a nearby supernova. A shock wave would have also made the nebula rotate.

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