
Originally Posted by
grimlysirius
First point: Ron says in Goblet of Fire that he "invented a broomstick that'll reach Jupiter" (pg 126, American Hardback Edition). This suggests that they were 1. Aware of space travel, 2. Had thought about means of space travel and 3. Possibly had their own means of space travel. To address the actual surviving in space issue, they could always just cast a Bubble-Head Charm. Though I don't know if that would actually work in space, we see time and again that it is used underwater (i.e.: The Second Task in GoF Fleur and Cedric both used it). Other than that, I don't know what they would do.