#interplanetary_gas  a rarefied flow of gas and charged particles (plasma) that stream from the sun and form the solar wind
  supertype:  #plasma.gas  an electrically neutral ionized gas in an electric discharge; distinctly different from solids and liquids and normal gases
  substance of:  #solar_wind
  part of:  #interplanetary_medium  interplanetary space including forms of energy and gas and dust
     part of:  #solar_system__solarsystem  the sun with the celestial bodies that revolve around it in its gravitational field
        part of:  #heliosphere  the region inside the heliopause containing the sun and solar system
           part of:  #Milky_Way_Galaxy__Milky_Way__Milky_Way_System  the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky

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