5. **Guest:** Peter van Dokkum **Summary:** Professor van Dokkum defines runaway black holes as supermassive objects kicked out of galaxies after collisions. These objects move at 1,000 kilometers per second, escaping their host galaxies to roam through i

Season 8 Episode 578  ·  Mar 14, 12:57 AM
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15. **Guest:** Peter van Dokkum
**Summary:** Professor van Dokkum defines runaway black holes as supermassive objects kicked out of galaxies after collisions. These objects move at 1,000 kilometers per second, escaping their host galaxies to roam through intergalactic space.
1945 ROYAL OBSERVATORY AT GREENWICH
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16. **Guest:** Peter van Dokkum **Summary:** Astronomers detected a runaway black hole via a shock front and a wake of 100 million newborn stars. This stellar trail traces the black hole's path as it travels through intergalactic gas..
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