Up Next
Back to Show
PBS Space Time
The Cosmic Dark Ages
Season 5
Episode 22
We live in the stelliferous era. Somewhere between 10 and 1000 billion trillion stars fill the observable universe with light. But there was a time before the first star ignited. A time we call the cosmic dark ages.
Support Provided By
Season
16:36
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.
14:30
Maybe dark energy doesn't exist?
18:32
Dark matter has eluded us for many decades but we may be able to discover more now.
15:35
What do you get if you combine something that’s infinitely massive and negative infinitely massive?
13:39
What does an electron really look like?
16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?
17:19
I’d like to invite you to an even higher level of nerdom!
11:43
Gravitational tsunamis exist and we’re on the verge of being able to detect them.
18:40
Will we ever become a Kardeshev Type-1 civilization and how can we get there?
14:05
New data is telling us that Neutron stars may make one of the most popular dark matter candidates.
15:14
Is Dark Energy Getting Weaker?
16:08
Here’s the story we like to tell about the beginning of the universe.