The Cosmic Microwave Background Shows We’re Living Inside Ancient Starlight Explore the Cosmic Microwave Background (CMB)—the ancient light left over from the Big Bang that still surrounds you right now. In this video, we uncover how 13.8-billion-year-old radiation fills every corner of the universe, what it reveals about the origin of space and time, and why we are literally living inside the afterglow of creation. A deep, immersive journey into cosmology, the Big Bang, dark matter, inflation, and humanity’s place in an evolving universe. #CosmicMicrowaveBackground #BigBang #Cosmology #Astrophysics #SpaceDocumentary #AncientLight #OriginOfTheUniverse #ScienceExplained #DeepSpace #Physics