planet controversy

    Top: Science: Astronomy: Solar_System: Pluto: Planet_Controversy:

• Top/Society/Philosophy/Philosophy of Logic/Logic and Ontology/Natural Kinds

• - Discusses related discoveries and excerpts.
  
• - Clarification from the International Astronomical Union on Pluto's planetary status.
  
• - Looks at possible histories leading to its existence.
  
• - Article discussing possible definitions that qualify objects, such as Pluto and Sedna in the Kuiper Belt, as being planets or not.
  
• - News release from NASA affirming Pluto's planetary status.
  
• - Articles discusses the debate whether Pluto should be included among the planets. [Atlantic Monthly]