قنوات يوتيوب مثل NASA Goddard


10,500,000 3.02%

143,000 2.11%

20,400,000 2.43%

72,200 1.22%



9,470,000 2.63%

2,690,000 3.59%

10,100,000 2.99%

114,000 3.42%

3,210,000 2.78%

1,540,000 2.64%

168,000 1.36%

355,000 3.21%


4,660,000 2.83%

840,000 2.95%

1,320,000 4.26%

2,010,000 3.15%

315,000 0.93%


2,360,000 3.11%





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