SpaceX launched the four-person Polaris Dawn mission to orbit on Tuesday (Sept. 10) to carry out the first spacewalk ever performed by private astronauts.
SpaceX launches Polaris Dawn astronauts to attempt world's 1st-ever private spacewalk (video) : Read more
SpaceX launches Polaris Dawn astronauts to attempt world's 1st-ever private spacewalk (video) : Read more
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