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PBS Space Time
Citizen Science
Season 4
Episode 4
The professional astronomer or astrophysicist is a pretty recent phenomenon. In the past, astronomy was often performed by nobility and extremely enthusiastic amateurs. Although it seems like the scientific exploration of our universe is now in the hands of full-time career astro-professionals, a ton of really valuable science is still done by people with proper day jobs.
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16:31
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17:40
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16:28
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17:39
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20:48
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14:27
Physicists hope Planck stars can save us from black hole singularities and paradoxes.
17:41
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16:16
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14:42
Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself.
18:46
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