Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 14
Science & Medicine 37

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Episode 28: What is the Universe Expanding Into?

March 19th, 2007

Episode 28 of 460 episodes

Come on, admit it, you've had this question. If the Universe is expanding from the Big Bang, what is it expanding into? What's outside the Universe? Ask any astronomer and you'll get an unsatisfying answer. We give you the same unsatisfying answer, but really explain it, so your unsatisfaction doesn't haunt you any more.