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How big is space? It’s one of the most mind-bending questions we can ask because the deeper we look, the more the universe keeps going. We’ve measured billions of light-years in every direction and still haven’t reached the edge.
A NASA scientists explains what we know — and don’t know — about the size of the cosmos.
Explore more about the universe: https://science.nasa.gov/exoplanets/what-is-the-universe/
Download this video at: https://images.nasa.gov/details/How%20Big%20is%20Space
Producers: Scott Bednar, Pedro Cota, Jessie Wilde
Editor: Daniel Salazar
Title: Sassy McBrass – Instrumental
Composer: Per-Anders Nilsson
Universal Production Music
Credit: NASA Read More NASA
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