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I don't know... it's just too much fun to wonder about what life would be without gravity. I just started thinking about outer space more as an adult than I probably ever did as a kid. That was also inspiring, the concept of being stuck to the earth.

Designing a station with artificial gravity would undoubtedly be a daunting task. Space agencies would have to re-examine many reliable technologies under the light of the new forces these tools would have to endure. Space flight would have to take several steps back before moving forward again.

Very little useful science got done in the space station. NASA never did the experiments needed to develop the technologies required for a genuine interplanetary expedition: centrifugal gravity to avoid bodily harm and a truly closed biosphere.

We agree that man was not created to survive in space.

Life as an astronaut in space is a very interesting one. There are things we all take for granted here on earth, like gravity, that can make things a bit challenging. One of the fun things about getting here is the zero gravity and floating around. But it also makes things very difficult.

I think if I had to choose, I would rather have gravity instead of zero gravity. It's fun for a while, but I'd rather live on Earth.

Evolution doesn't care whether you believe in it or not, no more than gravity does. I want to rekindle excitement over what we've achieved as a species with the space program. We can't afford to regress back to the days of superstition.

A zero-gravity flight is a first step toward space travel.

We need a space program because we need explorers. Its in our souls.

The microgravity or the very, very low amount of gravity that we have up in space forces some changes in different processes. It forces changes in us as human beings.