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PBS Space Time
Why Quasars are so Awesome
Season 3
Episode 11
When Quasars were first discovered the amount of light pouring out of such a tiny dot in space seemed impossible. A hysterical flurry of hypothesizing followed: swarms of neutron stars, alien civilizations harnessing their entire galaxy’s power, bright, fast-moving objects being ejected by our own galaxy’s core.
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12:33
Is Time Travel Impossible?

13:49
What exactly is it?

13:11
We’ll explore the papers that claim to have detected black hole harmonics.

14:03
The universe is big, but it’s peanuts compared to the eternally inflating multiverse

14:03
You know what a planet is, right? A big round thing that orbits a star. Uh, not so fast.

15:33
Could we terraform Mars?

12:46
Is Earth's Magnetic Field Reversing?

12:45
Are you thinking about becoming (or ever just wondered how one becomes) an Astrophysicist?

10:23
We actually have a pretty good idea of what might have happened before the Big Bang.

13:12
What Caused the Big Bang?

12:30
Did Time Start at the Big Bang?

11:35
The Quantum Internet