PBS Space Time
The Cosmic Dark Ages
There was a time before the first star ignited. A time we call the cosmic dark ages.
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Season 5
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PBS Space Time
The Alchemy of Neutron Star Collisions
Many heavy elements were produced in a spectacular event: the collision of neutron stars.
PBS Space Time
How Black Holes Kill Galaxies
It turns out black holes may be responsible for ending star formation across the galaxy.
