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Mapping the Multiverse

Mapping the Multiverse

Season 6 Episode 16
14:21
Does Gravity Require Extra Dimensions?

Does Gravity Require Extra Dimensions?

Season 6 Episode 17
12:41
Can Viruses Travel Between Planets?

Can Viruses Travel Between Planets?

Season 6 Episode 18
13:58
What Happens After the Universe Ends?

What Happens After the Universe Ends?

Season 6 Episode 19
14:34
Building Black Holes in a Lab

Building Black Holes in a Lab

Season 6 Episode 20
13:12
Dissolving an Event Horizon

Dissolving an Event Horizon

Season 6 Episode 21
11:32
How Stars Destroy Each Other

How Stars Destroy Each Other

Season 6 Episode 24
10:41
How Do We Know What Stars Are Made Of?

How Do We Know What Stars Are Made Of?

Season 6 Episode 26
11:13
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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?