What is the universe expanding into? - Sajan Saini
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6 Questions Answered
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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 theories around the Big Bang and what, if anything, lies beyond our universe.
Whereas one class of speculative cosmology theories, such as eternal inflation, may be tested by fine astronomy measurements of heavenly phenomena such as the Cosmic Microwave Background, theories such as brane cosmology are tested by both astronomy and high energy physics experiments. Given the origins of brane cosmology, does the telescope or the particle accelerator seem the more instrumental tool to test theoretical predictions? Why?
About Space Ed
Space Ed helps you untangle the mysteries of space with the universe’s best videos on everything from Einstein's theory of relativity to what it would take to live on Mars. Brush up on the science, philosophy and mystery of space, because the fabric of the universe is the same fabric that connects us all.
Meet The Creators
- Content Producer Gerta Xhelo
- Editorial Producer Alex Rosenthal
- Producer Agota Vegso
- Music Patrick Smith
- Educator Sajan Saini
- Director Will Mackenzie, Kat Gusarova
- Associate Producer Elizabeth Cox, Bethany Cutmore-Scott
- Fact-checker Brian Gutierrez
