SpaceX Polaris Dawn: "Extremely Safe!" Astronaut Walter Foresees a Revolution in Space Tourism!

SpaceX Polaris Dawn: "Extremely Safe!" Astronaut Walter Foresees a Revolution in Space Tourism!
A walk like no other: These images show the first privately funded spacewalk, over 700 kilometers above the Earth. Jared Isaacman, the mission commander, is the first private astronaut in space. For about 15 minutes each, he and SpaceX engineer Sarah Gillis exited the spacecraft. The four-member crew launched from Cape Canaveral, Florida, on Tuesday. During the mission, the astronauts aim to study the effects of space travel and cosmic radiation on human health.