#sun  a typical star that is the source of light and heat for the planets in the solar system; "the sun contains 99.85% of the mass in the solar system"
  supertype:  star  (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior
  member of:  solar_system
  part:  chromosphere  a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun
  part:  photosphere  the intensely luminous surface of the sun

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