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  I would like to brainstorm on the idea of sending some machines with AI to land on an interestellar asteroid that
  was passing through our solar system.  If these machines could make use of the resources on the asteroid for
  power and for making any replacement parts and whole new machines they might be able to survive for thousands of years.
  With the resources on the asteroid they could make a huge antenna and powerful transmitter to communicate back with
  Earth from great distances.
  They would need to either be able to do fusion or fision to have power for such a time span.
  We can not do this today it does not seem too distant in the future.
  As far as we currently know, the only life or intelligence in the universe is all located on Earth.
  Would be nice to see some headed far away.
  
  Iniially the mission might use an RTG for power.  Some years later instruction on how to
  build some other type of nuclear reactor from the materials on the asteroid could be
  transmitted to the asteroid.
  
  Decades after it was launch and our technology had advanced we might transmit the DNA information for
  various algea and seeds to the asteroid along with how to bring them to life once a suitible new planet was
  found.  Also information for building a landing craft could be sent long after the mission started.
  
  The initial landing could have extra chips for replacement parts and new machines.  After a long time
  but hopfully before the asteroid ran out of spare chips, I think we would have new tech that would
  allow small quantities of