The Polaris Dawn mission was the first private spacewalk. | Image: SpaceX SpaceX's Polaris Dawn mission, in which billionaire Jared Isaacman and three other crew members traveled to space in a Crew Dragon, has made headlines for including the first-ever private spacewalk. While the flight has been hailed as historic for that reason, Isaaman has said that the trip is not merely for fun but is making contributions to science as well.The research in the Polaris program, planned to be three flights, is particularly focused on human health and the effects of spaceflight on the body. The current mission will be studied by Baylor College of Medicine, with the astronauts giving blood and going through extensive biomedical testing both before and after the flight.But what sets the Polaris Dawn mission apart is its... Continue reading...