What is the universe expanding into? - Sajan Saini
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YouTubeTED-Ed
What is the universe expanding into? - Sajan Saini
Join TED-Ed's Student Program: http://bit.ly/2Nps4NW View full lesson: https://ed.ted.com/lessons/what-is-the-universe-expanding-into-sajan-saini The universe began in a Big Bang nearly fourteen billion years ago, and has been expanding ever since. But how does the universe expand and what is it expanding into? Sajan Saini explains the existing ...
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