The Big Bang
Before this moment, there was no space, no time, no matter. Nothing. And then — everything.
What actually happened?
The Big Bang wasn't an explosion in space. It was an explosion of space itself. 13.8 billion years ago, the entire observable universe — everything you can see, touch, or detect — existed in a point smaller than an atom. Then it expanded. Rapidly. Within a fraction of a second, space ballooned to cosmological scales.
The first three minutes
In the first 380,000 years, the universe was too hot for atoms to form. It was an opaque plasma of protons, neutrons, and electrons. When it cooled enough, electrons joined protons and the universe became transparent for the first time. The flash of light from that moment still exists today — we call it the Cosmic Microwave Background (CMB). It's faint microwave radiation filling every direction of the sky, and it's basically a photograph of the universe at 380,000 years old.
What existed before?
Genuinely unknown. The question 'what happened before the Big Bang?' may not have a meaningful answer — time itself began at or very near the Big Bang. Asking what happened before is a bit like asking what is south of the South Pole. Current physics breaks down at that boundary. It's one of the most honest things science can say: we don't know, and we're not sure the question makes sense.
Why does it matter now?
Every atom in your body was forged from hydrogen and helium created in those first three minutes, then processed through stars over billions of years. You are, literally, an arrangement of Big Bang leftovers that learned to think about the Big Bang. The universe produced you, and through you, it's contemplating its own beginning.
The CMB has been mapped in extraordinary detail by missions like WMAP and Planck. The tiny temperature fluctuations in the CMB represent density variations in the early universe — and those variations seeded the formation of every galaxy, star, and planet that exists today. AwareStation operates in the radio spectrum where echoes of cosmic history can still be detected.