"<a href=""https://www.youtube.com/watch?v=-jA2ABHBc6Y&amp;t=39m30s"">39:30</a> If hydrogen escapes out of earth", then there may be large pools of it all around the galaxy. I think I saw something to this effect somewhere. Is hydrogen does accumulate in specific clusters around the galaxy, these very paths may be ideal for us to power generation ships. Because, we will have an abundant fuel source .