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Secrets of the UniverseExamining the boundary between the solar system and the rest of the universe.![Cosmic Frontiers]()
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Secrets of the UniverseExamining the boundary between the solar system and the rest of the universe.0
Facing Forces of NatureAn asteroid could be barreling toward Earth at any time, now or in the future. Only science can save us.Cosmic Journeys Series
![Is the Universe Infinite?]()
Now Playing26minIs the Universe Infinite?![Mars: World That Never Was]()
Now Playing26minMars: World That Never Was![Saturn's Mysterious Moons]()
Now Playing26minSaturn's Mysterious Moons![Crashing Into the Moon]()
Now Playing26minCrashing Into the Moon![How Large is the Universe?]()
Now Playing26minHow Large is the Universe?![The Incredible Journey of Apollo 12]()
Now Playing25minThe Incredible Journey of Apollo 12![The Most Powerful Objects in the Universe]()
Now Playing25minThe Most Powerful Objects in the Universe![Attack of the Sun]()
Now Playing25minAttack of the Sun![Mysteries of a Dark Universe]()
Now Playing26minMysteries of a Dark Universe![The Riddle of Antimatter]()
Now Playing25minThe Riddle of Antimatter![Birth of the Moon]()
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]()
Now Playing25minBirth of a Black Hole
Cosmic Vistas Series
![Night Fire]()
Now Playing24minNight Fire![Virtual Universe]()
Now Playing24minVirtual Universe![Stargazer's Paradise]()
Now Playing24minStargazer's Paradise![Hubble's Renaissance]()
Now Playing23minHubble's Renaissance![Superscopes]()
Now Playing24minSuperscopes![Cosmic Rainbow]()
Now Playing24minCosmic Rainbow![Seasons of Saturn]()
Now Playing24minSeasons of Saturn![Vesta Unveiled]()
Now Playing24minVesta Unveiled![Water Worlds]()
Now Playing24minWater Worlds![Gravity]()
Now Playing24minGravity![Science and the Shuttle]()
Now Playing24minScience and the Shuttle![Landing on Mars]()
Now Playing24minLanding on Mars![The Big Bang]()
Now Playing26minThe Big Bang![Milky Way]()
Now Playing23minMilky Way![The Hot Zone]()
Now Playing23minThe Hot Zone![Cosmic Rays]()
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]()
Now Playing27minVanishing Points
Disasters in Space
Space: The New Frontier Series
![The Cryosphere]()
Now Playing25minThe Cryosphere![Set Course for the Heart of the Sun]()
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]()
Now Playing25minProving Einstein![Where are all the Aliens?]()
Now Playing25minWhere are all the Aliens?![Star Light Star Bright]()
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]()
Now Playing25minMountains in the Dark![Oceans in the Sky]()
Now Playing25minOceans in the Sky![Webb of Life]()
Now Playing25minWebb of Life![Peering Into the Abyss]()
Now Playing25minPeering Into the Abyss![Next Big Leap]()
Now Playing25minNext Big Leap
