What Actually Happened During the Big Bang The Sleepy Scientist

Night Science Stories · Nov 5, 2026 · 2h 27m · transcript

What actually happened during the Big Bang? Was it a massive explosion in empty space, or was something far stranger happening? The truth is that the Big Bang was not an explosion inside the universe. It was the beginning of the expansion of space itself.Around 13.8 billion years ago, the universe existed in an incredibly hot, dense state. Then space began expanding, temperatures dropped, and the first fundamental particles started forming. Eventually, atoms appeared, stars ignited, galaxies emerged, and the universe became the enormous cosmic landscape we see today.But what happened in the…