Polaris Dawn Astronauts Launch on Ambitious Private Mission The New York TimesNASA to Test Telemedicine, Gather Essential Health Data with Polaris Dawn Crew NASAPolaris Dawn's spacewalk will be historic — and risky. Here's everything to know. Business InsiderSpaceX launches Polaris Dawn astronauts to attempt world's 1st-ever private spacewalk (video) Space.comSpaceX launches a billionaire to conduct the first private spacewalk
