How Was The Universe Created?
But Why: A Podcast for Curious Kids
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What Is Space Made Out Of?
Piper from Colorado asks, why does Earth have oxygen and space doesn't end? And if space is not made out of oxygen, what is space made out of? If you're going hundreds of miles away from the Earth, then there's still a little tiny bit of atmosphere there. Only 4% of all the energy in the universe is made out of atoms. So to answer the question, what's the universe made out of, I can only tell you what 4%.
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