How Big Is the Universe… Really?
4:00
YouTube5 Minute Science
How Big Is the Universe… Really?
How big is the universe… really? In this video, we explore the true scale of the universe — from Earth and our Sun, to the Milky Way, and beyond to billions of galaxies across the observable universe. You’ll discover just how vast space really is, why the universe is larger than expected, and how expansion is stretching everything further ...
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