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YouTubeScience Time
How Big is The Universe?
How Big is The Universe? We begin at the familiar blue and green orb we call home and zoom out to explore the vastness of space. From the Moon, our closest cosmic neighbor, to the edges of the observable universe, prepare to be astonished by the sheer scale of everything that exists. Travel with us as we venture past the Moon, understanding its ...
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16K views · 311 reactions | Brian Greene - The Expansion Of The Universe Explained 樂#universe #darkenergy #cosmology 54 sec | Astro Universe Facts | Facebook
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