Feeling trepidatious about interplanetary travel. 10/08/2014 01:05:00 du. Feeling trepidatious about interplanetary travel. #ScienceEveryday #Space #GIFs via: http://scienceshenanigans.tumblr.com/post/99415591145/tastefullyoffensive-why-we-shouldnt-travel-to További információk