Up Next
Back to Show
PBS Space Time
How We Know The Universe is Ancient
Season 6
Episode 14
The universe is precisely 13.8 billion year old - or so our best scientific methods tell us. But how do you learn the age of the universe when there’s no trace left of its beginnings?
Support Provided By
Season
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?
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.
17:44
We’ve never seen a TDE in the Milky Way, but we’ve seen them in distant galaxies.
16:51
Let’s talk about quantum gravity experiments that can be done here on Earth!
19:25
What if gravity isn’t weirdly quantum at all, but rather … just a bit messy?
17:02
Have we reached the end of the line of discoverable elements?