Not all xkcd comics are garbage. I worked on autonomous robotics back in the late 90s, and when I read this one I had to hold back a little sniffle: http://www.

Not all xkcd comics are garbage. I worked on autonomous robotics back in the late 90s, and when I read this one I had to hold back a little sniffle: http://www.xkcd.com/695/ http://www.xkcd.com/695/ I've got a couple of friends out at NASA, and I doubt they'd begrudge the xkcd author allowing the robot to misbelieve that it was coming home at the end of the mission despite the lack of any hardware to do a return voyage :-)