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Sectiunea Astronomie - Planeta Jupiter
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Sectiunea Astronomie - Planeta Jupiter
Pagina are la baza un material trimis de Biabela



Planeta Jupiter
Jupiter s-a format din acelasi nor de gaze ca si Soarele. Daca aceasta planeta gigantica ar fi continuat sa se dezvolte, miezul sau s-ar fi aprins, formand un furnal nuclear, iar Jupiter ar fi putut deveni o stea.

Daca planeta se va extinde pana la de 40 de ori masa sa actuala, atunci in interiorul sau vor incepe sa se produca reactii nucleare auto-intretinute, ceea ce reprezinta caracteristica definitorie a unei stele.

Norii lui JUPITER
Pe Jupiter exista 3 straturi de nori, cu compozitii diferite. Norul exterior este alcatuit din amoniac si sulf, iar cel inferior din nori de apa obisnuiti. Caldura din interiorul planetei si miscarea rapida de rotatie provoaca vanturi foarte puternice, care formeaza norii. Benzile de culoare alba reprezinta suprafete gazoase care se ridica, denumite zone. Benzile inchise la culoare se numesc centuri si reprezinta suprafete gazoase care coboara Prin aceste centuri se poate vedea mult in interiorul planetei, motiv pentru care au aceasta culoare mai intunecata.


Pata Rosie
Marea Pata Rosie reprezinta cea mai fioroasa furtuna de pe Jupiter. Este un uragan care depaseste de 3 ori marimea Pamantului si care matura continuu de peste 300 de ani suprafata planetei. Compus din gaze precum amoniacul si din nori de gheata, se ridica la 8 km deasupra norilor inconjuratori. Aerul umed care se ridica in interiorul Marii Pete Rosii determina rotirea norilor, acestia executand o rotatie cometa in 6 zile terestre.


Stiati ca....

  • Jupiter se roteste incredibil de repede, realizand o rotatie completa in 9 ore si 55 de minute ?
  • Jupiter are 3 inele distincte ?
  • Sonda care a facut fotografii in prim-plan se numeste Pioneer 10 si a decolat in anul 1973 ?
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