NASA: National Aeronautics and Space Administration


Ask an Astrobiologist
"If the moon is colonized by the united states within the century, is it a possiblity that the moon will become a privince/state/ of America."
  1. Question

    What is the definition of life? Is it likely that there is life on other planets?

    These are both good (and difficult) questions that lie at the heart of the science of astrobiology. Both of them have been aswered previously on "Ask and Astrobiologist". Use the search function to find these questions and the answers that we provided.
    April 30, 2003

    1. Tell us what you think!


      It's your Astrobiology Program: please help us out by sending comments on what's here, and ideas for new features.

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