The first billionaire to walk in space says the experience was pretty rough
Briefly

"Looking at Earth was obviously very, very special. But when you look off to the side, you look out into the darkness of space... it gave you this sense of, like 'this isn't going to be easy.'"
"It wasn't [anything] I would describe as peaceful when you're looking out in the darkness of space. If anything, it was a little bit more of like: 'If you want to be here, you're going to have to work for it.'"
"You shouldn't interpret that feeling of danger and unwelcomeness as a deterrent, but it's just more to rise to the challenge, just as explorers had to do throughout human history."
"The Polaris Dawn conducted dozens of science experiments while in space to study the impact on the human body as it tries to better understand how to make the environment livable for humans."
Read at Quartz
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