The outdoors bring freedom, but for the Saurenmann family, they also bring barriers.

"Even a simple set of stairs means we can't go," said Leah Saurenmann.

Leah's adult son, Jonathan, has cerebral palsy. He was born prematurely and suffered a brain hemorrhage at birth, impacting his mobility. The 34-year-old has been wheelchair-bound for most of his life, and as much as he likes the outdoors, Leah said many spaces aren't built for people with disabilities.

Technology could help here on Earth

"Now that he's older and his chair is heavier and he's heavier, we can't physically get him in unless it's accessible," Leah told CBS News Texas. "I was watching the news the other night and realized how much attention there is on leaving the planet, going to Mars orbiting, whatever, and what my he

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