russell vogt

@RussellVogt

the mass and the composition structure throughout a star uniquely determine its radius, luminosity, and internal structure, as well as its subsequent evolution

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Africa is Libya proud Tawerghan

 #Tripoli #Libya 
#ليبيا

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82 days ago

Africa is Libya proud Tawerghan

#Tripoli #Libya
#ليبيا

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