How did the universe begin? From the Big Bang to the galaxies.
In a place where neither time nor space existed... the beginning of everything erupted.Unimaginably hot and chaotic, the universe expanded in an instant and began to cool down.Amidst the extreme heat, the tiniest fundamental particles that make up matter finally began to clump together!As protons and electrons bonded, the universe's very first element, 'hydrogen,' was finally born!Once the atoms settled into place, the trapped light was at last released, spreading across the entire universe!In the deep darkness that followed the spreading of light, invisible gravity began to slowly gather hydrogen gas into one place.▶ Read interactively
