Yesterday, the world celebrated the fifty year anniversary of the day humans first made the epic leap to leave our terrestrial bounds, and sail among the stars. In celebration of this epic event, we’re dedicating tonight’s episode to the Yuri Gagarin, and then using this historical discussion as a launching point to talk about the end of the US’ Space Shuttle Program, and the retirement of our four existing space shuttles.  Joining us for this epic space tale, is our resident space geek, Heather (aka “Mars_Base”). Let’s get spacey!