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NASA's 10 Greatest AchievementsGetting closer to putting a man on the moon, NASA made great strides in space exploration.![Cosmic Frontiers]()
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NASA's 10 Greatest AchievementsGetting closer to putting a man on the moon, NASA made great strides in space exploration.0
Life in Outer SpaceScientists explore planets and moons, including Saturn's Europa, that may support life.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
