10 Clues About What The Young Universe Was Really Like

What was the universe actually like in its first moments? From the Cosmic Microwave Background and the first stars to impossible black holes, missing lithium, and galaxies that seem to break the laws of cosmology, this video explores ten of the most fascinating clues scientists use to reconstruct the young universe. Discover how tiny quantum fluctuations shaped every galaxy, why supermassive black holes appeared far too early, what the James Webb Space Telescope revealed about ancient galaxies, and why some cosmic mysteries still challenge modern physics. These clues reveal a universe far stranger, more violent, and more mysterious than most people imagine. #Universe #BigBang