article_snippet: Last year the fitness fanatic tried out to become a Houston Texans cheerleader, but failed to make the squad.
article_snippet: Maybe there is a little cliff out there that you fall off with regards to the radiation, bone mass, bone density, those type of things, so, I am all in,' the Kellys told ABC News.
article_snippet: This is a chance in a lifetime,’ said Dr Craig Kundrot, the deputy chief scientist of Nasa's Human Research Program.
article_snippet: A mission to the red planet will require long periods of time in reduced-gravity environments, both in space and on the surface of the red planet.