solar system pleysdiano is incorrectly written and it should be written as "System Solar Pleiadian." being its meaning:
It is the same as Solar Pleiadian system. The Pleiades. Related to the star cluster of the Pleiades. He is assumed that the pleiadeans are seminal contributors ancestors of human DNA. The Pleiades also known as the seven sisters or Messier 45 ( M45 ) are among the stars of the same system, closer to Earth ( approximately 450 light-years ). They belong to the constellation of Taurus.
