SpaceX Polaris Dawn crew’s on-orbit event! Experiments explained + spacewalk time-lapse VideoFromSpace41-year-old who just completed the first civilian spacewalk dropped out of high school to start his $7 billion business CNBC‘A giant leap’: Why a tech billionaire’s climb outside a spacecraft was so historic CNNSpaceX’s private Polaris Dawn astronauts beam photos to Earth using Starlink satellites Space.comSpacewalking is the new domain of the super rich as a billionaire makes first private attempt The Associated Press