How bad for your health is space travel? Answering this question will be crucial not just for astronauts aiming to go to Mars, but for a booming space tourism industry planning to blast anyone who can afford it into orbit.
Government Remains Crucial for Private Human Spaceflight Companies parabolicarc.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from parabolicarc.com Daily Mail and Mail on Sunday newspapers.
Inspiration4 raised $250 million for charity during the first-ever all-private crewed mission to orbit, and it s just the start of a program using SpaceX vehicles for private flights.