Mark statements (1-6) as true or false. 1. one of the differences between orbital and suborbital space tourism is the time of their existence. 2. stars look different when you look at them from space. 3. suborbital space tourism will require from one week to six months of training. 4. Russia offers one orbital flight per year. 5. space tourism companies hope that orbital flights will soon cost 100,000 pounds. 6. Jeff hilburn believes that space travel has made great progress, but should only be accessible to astronauts.​

mneholodno    2   11.12.2020 07:54    6