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Video thumbnail: PBS NewsHour NASA looks to return astronauts to the moon

PBS NewsHour

NASA looks to return astronauts to the moon

NASA looks to return astronauts to the moon

NASA looks to return astronauts to the moon

Video thumbnail: PBS NewsHour NASA opens a new collection of moon rocks to researchers

PBS NewsHour

NASA opens a new collection of moon rocks to researchers

NASA opens a new collection of moon rocks to researchers

NASA opens a new collection of moon rocks to researchers

Video thumbnail: PBS NewsHour This retired astronaut captured hundreds of images in space

PBS NewsHour

This retired astronaut captured hundreds of images in space

This retired astronaut captured hundreds of images in space

This retired astronaut captured hundreds of images in space

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