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    • National Geographic Channel

    Alien Earths Imag: Alien Earths

                           
     
    ^M
    Image: Alien Life explore in 3-D >>
    Image: Spaceshuttle

    SEARCH FOR ANOTHER EARTH

    Current and Future NASA Missions

    Image: Planets in the solar system

    GALLERY OF THE PLANETS

    Astronomers Find New Exoplanets

    Image: Mars rovers

    CONQUERING MARS

    Rovers Survive the Red Planet

    Image: Known Universe

    SIZE MATTERS

    Our universe by
    the numbers.
    Learn More

    MORE FACTS:

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    Image: Hubble's famous

    BREAKING ORBIT SPACE BLOG

    Cosmic News and Discoveries

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    Alien Earths goes beyond our solar system to discover planets so strange we never could have predicted them before.

    © National Geographic Channel 2009