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The Oldest Light: Seeing the Universe’s First Echo
Автор: Mind Facts - Why ?
Загружено: 2025-12-20
Просмотров: 24
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What is the oldest light we can see—and what does it tell us about the birth of the universe? In this video, we explore the cosmic microwave background (CMB), the faint afterglow left over from the Big Bang. We explain how this ancient light formed, why it still fills the universe, and how tiny variations within it reveal the universe’s age, composition, and early evolution. This science-based explainer shows how looking at the oldest light lets us see the universe as it was nearly 14 billion years ago. #OldestLight #CosmicMicrowaveBackground #BigBang #Cosmology #Astrophysics #Universe #ScienceExplained #DeepTime #SpaceScience #BigQuestions
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