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it took ~400,000 years following the Big Bang for the Universe to cool down enough to allow atoms to form

Oct 18, 2022•1 min read

Fun Fact: it took ~400,000 years following the Big Bang for the Universe to cool down enough to allow atoms to form

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The largest structure in the universe is the Hercules–Corona Borealis Great Wall (10 billion light years) it would take light 72.4% of the time which has elapsed since the big bang to traverse this structure.

The largest structure in the universe is the Hercules–Corona Borealis Great Wall (10 billion light years) it would take light 72.4% of the time which has elapsed since the big bang to traverse this structure.

about the Degenerate Era, where the stars in our universe will run out of fuel, and the starry night sky we see today will no longer exist. Aging stars and stellar remnants will be too cold to support life. It s hypothesized to happen about 1 quintillion years after the Big Bang.

it took around 3 billion years for the very first single-celled organisms to eventually evolve into basic animal life forms. For comparison, dinosaurs were around for about 165 million years, modern humans have been around for 300,000 years.

the Big Bang wasn’t actually an explosion that happened in the center of the universe, there is not even a center to the universe. It has happened and has been happening everywhere all at once.

that prehistoric humans found fossils and used them to decorate their stone tools. The oldest such fossil is in a knife made by Homo heidelbergensis 400,000 years ago.

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