The flight was limited to a single orbit because of the questions about weightlessness , and gagarin was supposed to parachute out of the capsule on return because a soft-landing system was not ready yet .
In a 2007 interview , hawking said as he prepared to experience the weightlessness of space travel in a zero-gravity flight that , of all the mysteries of the universe , the biggest is how it is that humans are in it .
" I 've waited my whole life for this ...... what I remember most was the feeling of weightlessness , both physically and emotionally , " fulmor said .
富勒莫说:“这是我一直以来的梦想,我印象最深的是失重的感觉,身体和心理上都有(这种感觉)。”
What the six will not experience , however , is the impact of weightlessness or , indeed , the terror and euphoria that comes with real-life space travel .
不过,这六人不会经历的是失重影响,或者的确地,真实太空航行时的恐惧与狂喜。
But now that seven more have joined up for this week of spacewalks , they need to get a little creative such as japanese astronaut koichi wakata ( pictured above ) who made the most of the weightlessness and floated over the table .
I was recently in contact with britain 's only current astronaut-in-training - tim peake who reminded me that even over relatively short periods , weightlessness can affect everything from balance and cardiovascular health to muscle mass and bone density .
It always seemed to me that he was in a perpetual state of unburdening ; trying to slough off his connection to material things , attempting to defy life 's gravity , but with such clumsiness or ill luck that he could never attain the degree of weightlessness that he sought .
I had a genuine sense of weightlessness , as if the car had taken flight .
我有一种真正的失重感,好像车在飞翔。
Some 69 miles above earth , in a darkening void , customers will experience a few minutes of weightlessness and gaze out the window at the curvature of their planetary home .