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  2. Astronomers detect mysterious 8 billion-year-old energetic burst

    www.aol.com/news/astronomers-detect-mysterious-8...

    Until now, the oldest-known such burst dated to 5 billion years ago, making this one 3 billion years older. The universe is about 13.8 billion years old. For comparison, Earth is about 4.5 billion ...

  3. 8 billion-year-old radio signal reaches Earth

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    Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have detected a mysterious blast of radio waves that have taken 8 billion years to reach Earth.

  4. Chronology of the universe - Wikipedia

    en.wikipedia.org/wiki/Chronology_of_the_universe

    In December 2012 the first candidate galaxies dating to before reionization were discovered, when UDFy-38135539, EGSY8p7 and GN-z11 galaxies were found to be around 380–550 million years after the Big Bang, 13.4 billion years ago and at a distance of around 32 billion light-years (9.8 billion parsecs). [65] [66]

  5. Scientists detect 8 billion-year-old radio burst. It's a mystery

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    Astronomers detected a fast radio burst from a galaxy 8 billion light-years away. It's a new record, and the signal's source is still a mystery.

  6. Timeline of the early universe - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the_early_universe

    8.8 billion years (5 Gya, z=0.5): Acceleration: dark-energy dominated era begins, following the matter-dominated era during which cosmic expansion was slowing down. [12] 8.8 billion years (5 Gya): Messier 67 open star cluster forms: Three exoplanets confirmed orbiting stars in the cluster including a twin of the Sun

  7. Cosmic Calendar - Wikipedia

    en.wikipedia.org/wiki/Cosmic_Calendar

    Gya (billion years ago) Event 1 Jan: 13.8: Big Bang, as seen through cosmic background radiation, which would have been last emitted 14 minutes after midnight 19 Jan 13.1 Oldest known Gamma Ray Burst: 26 Jan 12.85 First galaxies form [4] 16 Mar: 11: Milky Way Galaxy formed 13 May: 8.8: Milky Way Galaxy disk formed 2 Sep: 4.57: Formation of the ...

  8. Findings by dark energy researchers back Einstein's ... - AOL

    www.aol.com/news/findings-dark-energy...

    The Big Bang event 13.8 billion years ago initiated the universe, and it has been expanding ever since. Scientists in 1998 disclosed that this expansion was actually accelerating, with dark energy ...

  9. Age of the universe - Wikipedia

    en.wikipedia.org/wiki/Age_of_the_universe

    In physical cosmology, the age of the universe is the time elapsed since the Big Bang.Astronomers have derived two different measurements of the age of the universe: [1] a measurement based on direct observations of an early state of the universe, which indicate an age of 13.787 ± 0.020 billion years as interpreted with the Lambda-CDM concordance model as of 2021; [2] and a measurement based ...