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Multiple stars systems are important to more than just astronomical specialists. The proliferation of multiple star systems may have a profound influence on the critical issue of where, when and if Life can emerge on other worlds. Planets that form in multiple star systems) are growing up in dangerous neighborhoods. A planet happily orbiting one of the stars can be blown into space by gravitational tugs from a sibling star. For many astronomers, such instability makes planets in multiple star systems poor candidates for the formation of life.
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Planets may have formed in disks like this one surrounding the young star Beta Pictoris
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