Comete
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  • 1. Cometele (lat.) stea cu păr
  • 2.  
  • 3.  
  • 4. Cometa Bennett 1970
  • 5. Comet a Hyakutake 23 Mar tie 1996
  • 6. Cometa Halley – o dată la 70 de ani
    • 1066 Tapiseria de la Bayeux.
  • 7.  
  • 8.  
  • 9. Compoziţia
    • Metale
    • Hidrocarburi
    • Amoniac
    • Acid cianhidric
    • Apă
    • Bioxid de carbon
    • ( Cometa McNaught fotografiată de Alex Conu pe 11 ianuarie 2007 )
  • 10. Structură
    • Nucleu solid
    • Coamă (cap)
    • coadă
  • 11. Forma cozii
    • Unică
    • multiplă
  • 12.
    • Comet a Holmes
    • 25 Decem brie 2007.
    Comet LINEAR
  • 13.  
  • 14.  
  • 15. Comet a Ikeya-Zhang
  • 16.  
  • 17.  
  • 18. Comet a Ikeya-Zhang
  • 19. Traiectoria cometelor
    • Periodică (elipsă)
    • Neperiodică (hiperbolă , parabolă)
    • Lexell