In the start of time, our universe underwent a massive expansion known as the primordial explosion. This event created space and time as we know them, setting in motion the granddevelopment of stars, galaxies, and https://www.youtube.com/watch?v=wlUpRbDfN-o&list=PLZyUCudMkqcM4mk4_dH3OwD3Vix21ySC0&index=12&pp=iAQB