On This Day in Space! Feb. 11, 2010: NASA Launches Solar Dynamics Observatory

On This Day in Space! Feb. 11, 2010: NASA Launches Solar Dynamics Observatory

www.space.com

On July 21, 1961, NASA astronaut Gus Grissom completed the second successful human spaceflight mission for the United States of America. See how it happened in our "On This Day in Space" video series!

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