Another historical moment for space exploration is the landing of the small robot, Philae  on the comet 67 P.  While reading and researching this story we found out tons of new facts. One of our favorite facts is below.

NASA sent a 3D printer into space in September.  I know what you're thinking. Why is NASA sending a 3D printer into space. Well, according to NASA they are sending a printer into space because they hope one day astronauts will be able to fix space craft by cranking out spare parts on the spot.