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10 November 2009
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 You are here: BBC > Science & Nature > Space > Life?

LIFE?

DNA strand How Life Starts

What makes a handful of chemicals spring to life?
By looking at how life started on Earth, astronomers can discover what clues to look for to hunt down life on other planets.
In this section:
  • The ingredients for life
  • How does life start?
    		•


    New planets? Looking for Life

    How do we search for life in the Universe?
    From sending probes to the planets to discovering new worlds, find out how we are looking for alien life.

    In this section:
  • Life in the Solar System?
  • Planet hunting
  • SETI looks for life
    		•


    Play the game Game

    Can you defend the Earth against alien invaders in our classic space game?



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