Name: What is the universe expanding into?
Uploaded: 2018-09-06T18:39:40Z
Duration: 5 min 29 s
Description: 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. [TED-Ed Animation by Wooden Plane Productions]

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. [TED-Ed Animation by Wooden Plane Productions]

Sajan Saini: What is the universe expanding into?

What is the universe expanding into?

Exploring the universe's expansion into itself, a narrative that challenges our spatial perceptions and invites cosmic curiosity.

The notion of a multiverse, where our universe is a bubble among an infinite cosmic sea, transforms our understanding of existence.

Eternal inflation and brane worlds suggest our universe may be just one of many, opening doors to endless exploratory possibilities.