Name: How Big is Space? We Asked a NASA Expert
Uploaded: 2025-06-20T11:13:57+00:00
Duration: 1 min 36 s
Description: 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 st

5 months ago

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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.

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