This Week at NASA: Mid-Year at NASA

©NASA

This Week at NASA: Mid-Year at NASA.

2017 is shaping up to be another year of unprecedented exploration, amazing discoveries, technological advances and progress in development of future missions - and we're just six months into the year. Here are some of our top stories of 2017, so far - Mid-Year at NASA.

NASA revised the original video. See explanation here. The older one used to be here.

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