In the beginning of time, our universe underwent a tremendous expansion known as the Big Bang. 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=kcPrLnYiE0w&list=PLZyUCudMkqcM4mk4_dH3OwD3Vix21ySC0&index=24&pp=iAQB