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Season 5 Episode 28 | 13m 12s
Every astronomy textbook tells us that soon after the Big Bang, there was a period of exponentially accelerating expansion called cosmic inflation. In a tiny fraction of a second, inflationary expansion multiplied the size of the universe by a larger factor than in the following 13 and a half billion years of regular expansion. This story seems like a bit of a … stretch.
Aired: 08/11/19
Video has closed captioning.
Why We Might Be Alone in the Universe
Why does it appear, that humanity is the lone intelligence in the universe?
The universe is big, but it’s peanuts compared to the eternally inflating multiverse
You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast.
How To Become an Astrophysicist
Are you thinking about becoming (or ever just wondered how one becomes) an Astrophysicist?
What Happened Before the Big Bang?
We actually have a pretty good idea of what might have happened before the Big Bang.
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