As we inch ever closer to some day being able to send a human crew into space to travel to Mars...a trip that would take 3 years just to get there...there are SO many variables and unknowns...not just the physical and technological aspect, but teh psychological aspect as well.
And it's just that sort of thing that is explored in the new documentary, Space: The Longest Goodbye"...and astronaut Cady Coleman called us this morning to talk more about it,