のようなYouTubeチャンネル NASA Jet Propulsion Laboratory


9,470,000 2.63%

10,500,000 3.02%

355,000 3.21%

143,000 2.11%

72,200 1.22%

3,210,000 2.78%

2,690,000 3.59%

840,000 2.95%

1,320,000 4.26%

257,000 1.86%

20,400,000 2.43%


3,280,000 1.57%

364,000 4.22%

266,000 3.1%

62,000 2.35%

1,150,000 3.03%

499,000 3.73%


221,000 5.26%


27,100 1.17%



1,540,000 2.64%


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