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NASA's 10 Greatest AchievementsThe US declares the ultimate goal of putting a man on the moon.
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Cosmic Journeys Series
- Now Playing26minIs the Universe Infinite?
- Now Playing26minMars: World That Never Was
- Now Playing26minSaturn's Mysterious Moons
- Now Playing26minCrashing Into the Moon
- Now Playing26minHow Large is the Universe?
- Now Playing25minThe Incredible Journey of Apollo 12
- Now Playing25minThe Most Powerful Objects in the Universe
- Now Playing25minAttack of the Sun
- Now Playing26minMysteries of a Dark Universe
- Now Playing25minThe Riddle of Antimatter
- Now Playing25minBirth of the Moon
- Now Playing26minThe Largest Black Holes in the Universe
- Now Playing25minBirth of a Black Hole
Cosmic Vistas Series
- Now Playing24minNight Fire
- Now Playing24minVirtual Universe
- Now Playing24minStargazer's Paradise
- Now Playing23minHubble's Renaissance
- Now Playing24minSuperscopes
- Now Playing24minCosmic Rainbow
- Now Playing24minSeasons of Saturn
- Now Playing24minVesta Unveiled
- Now Playing24minWater Worlds
- Now Playing24minGravity
- Now Playing24minScience and the Shuttle
- Now Playing24minLanding on Mars
- Now Playing26minThe Big Bang
- Now Playing23minMilky Way
- Now Playing23minThe Hot Zone
- Now Playing23minCosmic Rays
- Now Playing23minThe Fermi Paradox
- Now Playing23minLandsat
- Now Playing27minEye of the Beholder
- Now Playing27minPainted By Light
- Now Playing27minColour
- Now Playing27minCosmic Perspective
- Now Playing27minGrand Design
- Now Playing27minVanishing Points
Disasters in Space
Space: The New Frontier Series
- Now Playing25minThe Cryosphere
- Now Playing25minSet Course for the Heart of the Sun
- Now Playing25minTickets Please
- Now Playing24minMercury or Bust
- Now Playing25minHyabusa 2
- Now Playing25minEyes to the Heavens
- Now Playing25minMartian Attractions
- Now Playing25minCubes
- Now Playing25minProving Einstein
- Now Playing25minWhere are all the Aliens?
- Now Playing25minStar Light Star Bright
- Now Playing25minMoon Shine
- Now Playing25minRising Tides
- Now Playing25minEarth's Evil Twin
- Now Playing25minIncreasing Orbit
- Now Playing25minMountains in the Dark
- Now Playing25minOceans in the Sky
- Now Playing25minWebb of Life
- Now Playing25minPeering Into the Abyss
- Now Playing25minNext Big Leap