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Astronaut Gordon Cooper saying that NASA was had seen some 400,000 planets years ago. I don't know how long ago this interview was.

https://youtu.be/On5Al2ZIHdc?t=7m37s

Astronaut Gordon Cooper saying that NASA was had seen some 400,000 planets years ago. I don't know how long ago this interview was. https://youtu.be/On5Al2ZIHdc?t=7m37s

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