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Cosmic JourneysAmong the millions black holes in the Milky Way Galaxy are massive black holes with the greatest potential for destruction.![Space Science Now]()
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Cosmic JourneysAmong the millions black holes in the Milky Way Galaxy are massive black holes with the greatest potential for destruction.0
Cosmic JourneysAstronomers explore the fundamental workings of the universe and its energies through programs including Fermi, Swift, Chandra, NuSTAR and Hubble.Cosmic Journeys Series
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Now Playing25minBirth of the Moon![The Largest Black Holes in the Universe]()
Now Playing26minThe Largest Black Holes in the Universe![Birth of a Black Hole]()
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Cosmic Vistas Series
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Now Playing24minCosmic Rainbow![Seasons of Saturn]()
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Now Playing24minGravity![Science and the Shuttle]()
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Now Playing24minLanding on Mars![The Big Bang]()
Now Playing26minThe Big Bang![Milky Way]()
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Now Playing23minCosmic Rays![The Fermi Paradox]()
Now Playing23minThe Fermi Paradox![Landsat]()
Now Playing23minLandsat![Eye of the Beholder]()
Now Playing27minEye of the Beholder![Painted By Light]()
Now Playing27minPainted By Light![Colour]()
Now Playing27minColour![Cosmic Perspective]()
Now Playing27minCosmic Perspective![Grand Design]()
Now Playing27minGrand Design![Vanishing Points]()
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Disasters in Space
Space: The New Frontier Series
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Now Playing25minSet Course for the Heart of the Sun![Tickets Please]()
Now Playing25minTickets Please![Mercury or Bust]()
Now Playing24minMercury or Bust![Hyabusa 2]()
Now Playing25minHyabusa 2![Eyes to the Heavens]()
Now Playing25minEyes to the Heavens![Martian Attractions]()
Now Playing25minMartian Attractions![Cubes]()
Now Playing25minCubes![Proving Einstein]()
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Now Playing25minStar Light Star Bright![Moon Shine]()
Now Playing25minMoon Shine![Rising Tides]()
Now Playing25minRising Tides![Earth's Evil Twin]()
Now Playing25minEarth's Evil Twin![Increasing Orbit]()
Now Playing25minIncreasing Orbit![Mountains in the Dark]()
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