If you want to troll your fellow astronaut once they get on Uranus (i know, you can't land there, but bear with me) give 'em a compass and let them wander :))
Looks sleek. As long as they are able to keep the speed at the tip of the blades lower than the speed of sound they can reach higher speeds. good luck.
Kashyyyk seems very much like Pandora, from Avatar movie. I can't agree 100% with the rankings, but it seems that there was a lot of works involved. cheers.
funny t-shirt: clever/stupid.