Download - Comete
Transcript
![Page 1: Comete](https://reader037.vdocuments.site/reader037/viewer/2022110118/55507cc3b4c905cc0f8b5541/html5/thumbnails/1.jpg)
Cometele
(lat.) stea cu păr
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Cometa Bennett 1970
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Cometa Hyakutake 23 Martie 1996
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Cometa Halley – o dată la 70 de ani
• 1066 Tapiseria de la Bayeux.
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Compoziţia
• Metale• Hidrocarburi• Amoniac• Acid cianhidric• Apă• Bioxid de carbon
• (Cometa McNaught fotografiată de Alex Conu pe 11 ianuarie 2007 )
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Structură
• Nucleu solid• Coamă (cap)• coadă
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Forma cozii
• Unică• multiplă
![Page 12: Comete](https://reader037.vdocuments.site/reader037/viewer/2022110118/55507cc3b4c905cc0f8b5541/html5/thumbnails/12.jpg)
• Cometa Holmes
25 Decembrie 2007. Comet LINEAR
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Cometa Ikeya-Zhang
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Cometa Ikeya-Zhang
![Page 19: Comete](https://reader037.vdocuments.site/reader037/viewer/2022110118/55507cc3b4c905cc0f8b5541/html5/thumbnails/19.jpg)
Traiectoria cometelor
• Periodică (elipsă)• Neperiodică
(hiperbolă , parabolă)
• Lexell